Home / 28,361,475.52-42,543,721.83-8,932,220.92

Finding the Fourth Proportional to 28,361,475.52, 42,543,721.83 and 8,932,220.92

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Solution

The fourth proportional to 28,361,475.52, 42,543,721.83 and 8,932,220.92 is: 13,398,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,475.52 : 42,543,721.83 = 8,932,220.92 : x
  2. Step 2: Convert to fraction form
    28,361,475.52/42,543,721.83 = 8,932,220.92/x
  3. Step 3: Cross multiply
    28,361,475.52x = 42,543,721.83 × 8,932,220.92
  4. Step 4: Simplify right side
    28,361,475.52x = 380,009,922,350,916.38
  5. Step 5: Solve for x
    x = 380,009,922,350,916.38/28,361,475.52
  6. Step 6: Final answer
    x = 13,398,806.49

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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.