Home / 20,490,567.28-30,727,096.56-11,860,624.38

Finding the Fourth Proportional to 20,490,567.28, 30,727,096.56 and 11,860,624.38

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Solution

The fourth proportional to 20,490,567.28, 30,727,096.56 and 11,860,624.38 is: 17,785,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,490,567.28 : 30,727,096.56 = 11,860,624.38 : x
  2. Step 2: Convert to fraction form
    20,490,567.28/30,727,096.56 = 11,860,624.38/x
  3. Step 3: Cross multiply
    20,490,567.28x = 30,727,096.56 × 11,860,624.38
  4. Step 4: Simplify right side
    20,490,567.28x = 364,442,550,586,150.12
  5. Step 5: Solve for x
    x = 364,442,550,586,150.12/20,490,567.28
  6. Step 6: Final answer
    x = 17,785,869.25

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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.