Home / 42,022,128.40-62,986,536.60-16,454,640.40

Finding the Fourth Proportional to 42,022,128.40, 62,986,536.60 and 16,454,640.40

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Solution

The fourth proportional to 42,022,128.40, 62,986,536.60 and 16,454,640.40 is: 24,663,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022,128.40 : 62,986,536.60 = 16,454,640.40 : x
  2. Step 2: Convert to fraction form
    42,022,128.40/62,986,536.60 = 16,454,640.40/x
  3. Step 3: Cross multiply
    42,022,128.40x = 62,986,536.60 × 16,454,640.40
  4. Step 4: Simplify right side
    42,022,128.40x = 1,036,420,809,794,438.75
  5. Step 5: Solve for x
    x = 1,036,420,809,794,438.75/42,022,128.40
  6. Step 6: Final answer
    x = 24,663,691.47

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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.