Home / 20,732,534.10-31,098,801.16-9,947,999.70

Finding the Fourth Proportional to 20,732,534.10, 31,098,801.16 and 9,947,999.70

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Solution

The fourth proportional to 20,732,534.10, 31,098,801.16 and 9,947,999.70 is: 14,921,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,534.10 : 31,098,801.16 = 9,947,999.70 : x
  2. Step 2: Convert to fraction form
    20,732,534.10/31,098,801.16 = 9,947,999.70/x
  3. Step 3: Cross multiply
    20,732,534.10x = 31,098,801.16 × 9,947,999.70
  4. Step 4: Simplify right side
    20,732,534.10x = 309,370,864,610,039.62
  5. Step 5: Solve for x
    x = 309,370,864,610,039.62/20,732,534.10
  6. Step 6: Final answer
    x = 14,921,999.55

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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.