Home / 20,360,977.68-28,098,332.02-11,068,565.74

Finding the Fourth Proportional to 20,360,977.68, 28,098,332.02 and 11,068,565.74

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Solution

The fourth proportional to 20,360,977.68, 28,098,332.02 and 11,068,565.74 is: 15,274,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,977.68 : 28,098,332.02 = 11,068,565.74 : x
  2. Step 2: Convert to fraction form
    20,360,977.68/28,098,332.02 = 11,068,565.74/x
  3. Step 3: Cross multiply
    20,360,977.68x = 28,098,332.02 × 11,068,565.74
  4. Step 4: Simplify right side
    20,360,977.68x = 311,008,235,147,717
  5. Step 5: Solve for x
    x = 311,008,235,147,717/20,360,977.68
  6. Step 6: Final answer
    x = 15,274,720.11

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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.