Home / 30,527,641.28-42,129,759.36-17,299,385.76

Finding the Fourth Proportional to 30,527,641.28, 42,129,759.36 and 17,299,385.76

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Solution

The fourth proportional to 30,527,641.28, 42,129,759.36 and 17,299,385.76 is: 23,874,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527,641.28 : 42,129,759.36 = 17,299,385.76 : x
  2. Step 2: Convert to fraction form
    30,527,641.28/42,129,759.36 = 17,299,385.76/x
  3. Step 3: Cross multiply
    30,527,641.28x = 42,129,759.36 × 17,299,385.76
  4. Step 4: Simplify right side
    30,527,641.28x = 728,818,959,144,610.75
  5. Step 5: Solve for x
    x = 728,818,959,144,610.75/30,527,641.28
  6. Step 6: Final answer
    x = 23,874,067.19

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Why These Related Problems?

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