Home / 20,732,555.10-31,098,832.65-9,948,020.70

Finding the Fourth Proportional to 20,732,555.10, 31,098,832.65 and 9,948,020.70

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Solution

The fourth proportional to 20,732,555.10, 31,098,832.65 and 9,948,020.70 is: 14,922,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,555.10 : 31,098,832.65 = 9,948,020.70 : x
  2. Step 2: Convert to fraction form
    20,732,555.10/31,098,832.65 = 9,948,020.70/x
  3. Step 3: Cross multiply
    20,732,555.10x = 31,098,832.65 × 9,948,020.70
  4. Step 4: Simplify right side
    20,732,555.10x = 309,371,830,948,035.81
  5. Step 5: Solve for x
    x = 309,371,830,948,035.81/20,732,555.10
  6. Step 6: Final answer
    x = 14,922,031.05

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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.