Home / 10,368,426.73-15,552,640.10-7,179,780.73

Finding the Fourth Proportional to 10,368,426.73, 15,552,640.10 and 7,179,780.73

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Solution

The fourth proportional to 10,368,426.73, 15,552,640.10 and 7,179,780.73 is: 10,769,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,426.73 : 15,552,640.10 = 7,179,780.73 : x
  2. Step 2: Convert to fraction form
    10,368,426.73/15,552,640.10 = 7,179,780.73/x
  3. Step 3: Cross multiply
    10,368,426.73x = 15,552,640.10 × 7,179,780.73
  4. Step 4: Simplify right side
    10,368,426.73x = 111,664,545,690,605.28
  5. Step 5: Solve for x
    x = 111,664,545,690,605.28/10,368,426.73
  6. Step 6: Final answer
    x = 10,769,671.10

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Double scale
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Similar ratio
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1.5x scale

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.