Home / 10,538,545.76-14,535,168.84-9,070,952.12

Finding the Fourth Proportional to 10,538,545.76, 14,535,168.84 and 9,070,952.12

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Solution

The fourth proportional to 10,538,545.76, 14,535,168.84 and 9,070,952.12 is: 12,511,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538,545.76 : 14,535,168.84 = 9,070,952.12 : x
  2. Step 2: Convert to fraction form
    10,538,545.76/14,535,168.84 = 9,070,952.12/x
  3. Step 3: Cross multiply
    10,538,545.76x = 14,535,168.84 × 9,070,952.12
  4. Step 4: Simplify right side
    10,538,545.76x = 131,847,820,603,755.92
  5. Step 5: Solve for x
    x = 131,847,820,603,755.92/10,538,545.76
  6. Step 6: Final answer
    x = 12,511,007.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.