Home / 14,442,289.20-19,930,516.56-7,915,775.76

Finding the Fourth Proportional to 14,442,289.20, 19,930,516.56 and 7,915,775.76

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Solution

The fourth proportional to 14,442,289.20, 19,930,516.56 and 7,915,775.76 is: 10,923,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442,289.20 : 19,930,516.56 = 7,915,775.76 : x
  2. Step 2: Convert to fraction form
    14,442,289.20/19,930,516.56 = 7,915,775.76/x
  3. Step 3: Cross multiply
    14,442,289.20x = 19,930,516.56 × 7,915,775.76
  4. Step 4: Simplify right side
    14,442,289.20x = 157,765,499,869,926.56
  5. Step 5: Solve for x
    x = 157,765,499,869,926.56/14,442,289.20
  6. Step 6: Final answer
    x = 10,923,856.85

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