Home / 8,903,715.40-13,355,573.10-2,172,129.40

Finding the Fourth Proportional to 8,903,715.40, 13,355,573.10 and 2,172,129.40

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Solution

The fourth proportional to 8,903,715.40, 13,355,573.10 and 2,172,129.40 is: 3,258,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903,715.40 : 13,355,573.10 = 2,172,129.40 : x
  2. Step 2: Convert to fraction form
    8,903,715.40/13,355,573.10 = 2,172,129.40/x
  3. Step 3: Cross multiply
    8,903,715.40x = 13,355,573.10 × 2,172,129.40
  4. Step 4: Simplify right side
    8,903,715.40x = 29,010,032,984,359.14
  5. Step 5: Solve for x
    x = 29,010,032,984,359.14/8,903,715.40
  6. Step 6: Final answer
    x = 3,258,194.10

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Similar ratio
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1.5x scale

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.