Home / 20,651,948.83-28,500,226.90-11,359,758.30

Finding the Fourth Proportional to 20,651,948.83, 28,500,226.90 and 11,359,758.30

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Solution

The fourth proportional to 20,651,948.83, 28,500,226.90 and 11,359,758.30 is: 15,676,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651,948.83 : 28,500,226.90 = 11,359,758.30 : x
  2. Step 2: Convert to fraction form
    20,651,948.83/28,500,226.90 = 11,359,758.30/x
  3. Step 3: Cross multiply
    20,651,948.83x = 28,500,226.90 × 11,359,758.30
  4. Step 4: Simplify right side
    20,651,948.83x = 323,755,689,248,266.56
  5. Step 5: Solve for x
    x = 323,755,689,248,266.56/20,651,948.83
  6. Step 6: Final answer
    x = 15,676,762.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.