Home / 21,558,528,071.70-32,337,792,107.55-12,270,923,438.10

Finding the Fourth Proportional to 21,558,528,071.70, 32,337,792,107.55 and 12,270,923,438.10

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Solution

The fourth proportional to 21,558,528,071.70, 32,337,792,107.55 and 12,270,923,438.10 is: 18,406,385,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,528,071.70 : 32,337,792,107.55 = 12,270,923,438.10 : x
  2. Step 2: Convert to fraction form
    21,558,528,071.70/32,337,792,107.55 = 12,270,923,438.10/x
  3. Step 3: Cross multiply
    21,558,528,071.70x = 32,337,792,107.55 × 12,270,923,438.10
  4. Step 4: Simplify right side
    21,558,528,071.70x = 396,814,571,108,940,513,280
  5. Step 5: Solve for x
    x = 396,814,571,108,940,513,280/21,558,528,071.70
  6. Step 6: Final answer
    x = 18,406,385,157.15

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.