Home / 42,314,672.70-63,472,009.05-13,581,429.30

Finding the Fourth Proportional to 42,314,672.70, 63,472,009.05 and 13,581,429.30

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Solution

The fourth proportional to 42,314,672.70, 63,472,009.05 and 13,581,429.30 is: 20,372,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,314,672.70 : 63,472,009.05 = 13,581,429.30 : x
  2. Step 2: Convert to fraction form
    42,314,672.70/63,472,009.05 = 13,581,429.30/x
  3. Step 3: Cross multiply
    42,314,672.70x = 63,472,009.05 × 13,581,429.30
  4. Step 4: Simplify right side
    42,314,672.70x = 862,040,603,441,535.12
  5. Step 5: Solve for x
    x = 862,040,603,441,535.12/42,314,672.70
  6. Step 6: Final answer
    x = 20,372,143.95

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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.