Home / 21,270,902.30-31,914,226.65-8,500,571.90

Finding the Fourth Proportional to 21,270,902.30, 31,914,226.65 and 8,500,571.90

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Solution

The fourth proportional to 21,270,902.30, 31,914,226.65 and 8,500,571.90 is: 12,754,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,270,902.30 : 31,914,226.65 = 8,500,571.90 : x
  2. Step 2: Convert to fraction form
    21,270,902.30/31,914,226.65 = 8,500,571.90/x
  3. Step 3: Cross multiply
    21,270,902.30x = 31,914,226.65 × 8,500,571.90
  4. Step 4: Simplify right side
    21,270,902.30x = 271,289,178,271,221.12
  5. Step 5: Solve for x
    x = 271,289,178,271,221.12/21,270,902.30
  6. Step 6: Final answer
    x = 12,754,004.25

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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.