Home / 10,752,728.40-16,129,092.60-5,377,957.20

Finding the Fourth Proportional to 10,752,728.40, 16,129,092.60 and 5,377,957.20

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Solution

The fourth proportional to 10,752,728.40, 16,129,092.60 and 5,377,957.20 is: 8,066,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,728.40 : 16,129,092.60 = 5,377,957.20 : x
  2. Step 2: Convert to fraction form
    10,752,728.40/16,129,092.60 = 5,377,957.20/x
  3. Step 3: Cross multiply
    10,752,728.40x = 16,129,092.60 × 5,377,957.20
  4. Step 4: Simplify right side
    10,752,728.40x = 86,741,569,677,636.72
  5. Step 5: Solve for x
    x = 86,741,569,677,636.72/10,752,728.40
  6. Step 6: Final answer
    x = 8,066,935.80

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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.