Home / 28,220,463.59-42,334,901.71-10,023,129.95

Finding the Fourth Proportional to 28,220,463.59, 42,334,901.71 and 10,023,129.95

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Solution

The fourth proportional to 28,220,463.59, 42,334,901.71 and 10,023,129.95 is: 15,036,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220,463.59 : 42,334,901.71 = 10,023,129.95 : x
  2. Step 2: Convert to fraction form
    28,220,463.59/42,334,901.71 = 10,023,129.95/x
  3. Step 3: Cross multiply
    28,220,463.59x = 42,334,901.71 × 10,023,129.95
  4. Step 4: Simplify right side
    28,220,463.59x = 424,328,221,023,074.94
  5. Step 5: Solve for x
    x = 424,328,221,023,074.94/28,220,463.59
  6. Step 6: Final answer
    x = 15,036,188.89

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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.