Home / 10,754,381.40-16,131,572.10-5,379,610.20

Finding the Fourth Proportional to 10,754,381.40, 16,131,572.10 and 5,379,610.20

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Solution

The fourth proportional to 10,754,381.40, 16,131,572.10 and 5,379,610.20 is: 8,069,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,381.40 : 16,131,572.10 = 5,379,610.20 : x
  2. Step 2: Convert to fraction form
    10,754,381.40/16,131,572.10 = 5,379,610.20/x
  3. Step 3: Cross multiply
    10,754,381.40x = 16,131,572.10 × 5,379,610.20
  4. Step 4: Simplify right side
    10,754,381.40x = 86,781,569,811,195.42
  5. Step 5: Solve for x
    x = 86,781,569,811,195.42/10,754,381.40
  6. Step 6: Final answer
    x = 8,069,415.30

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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.