Home / 42,512,913.82-63,779,489.54-13,759,049.44

Finding the Fourth Proportional to 42,512,913.82, 63,779,489.54 and 13,759,049.44

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Solution

The fourth proportional to 42,512,913.82, 63,779,489.54 and 13,759,049.44 is: 20,641,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512,913.82 : 63,779,489.54 = 13,759,049.44 : x
  2. Step 2: Convert to fraction form
    42,512,913.82/63,779,489.54 = 13,759,049.44/x
  3. Step 3: Cross multiply
    42,512,913.82x = 63,779,489.54 × 13,759,049.44
  4. Step 4: Simplify right side
    42,512,913.82x = 877,545,149,838,822.75
  5. Step 5: Solve for x
    x = 877,545,149,838,822.75/42,512,913.82
  6. Step 6: Final answer
    x = 20,641,849.05

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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.