Home / 18,737,570.70-28,106,356.05-14,480,793.90

Finding the Fourth Proportional to 18,737,570.70, 28,106,356.05 and 14,480,793.90

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Solution

The fourth proportional to 18,737,570.70, 28,106,356.05 and 14,480,793.90 is: 21,721,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,570.70 : 28,106,356.05 = 14,480,793.90 : x
  2. Step 2: Convert to fraction form
    18,737,570.70/28,106,356.05 = 14,480,793.90/x
  3. Step 3: Cross multiply
    18,737,570.70x = 28,106,356.05 × 14,480,793.90
  4. Step 4: Simplify right side
    18,737,570.70x = 407,002,349,240,068.12
  5. Step 5: Solve for x
    x = 407,002,349,240,068.12/18,737,570.70
  6. Step 6: Final answer
    x = 21,721,190.85

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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.