Home / 10,728,049.10-16,092,073.65-8,602,285.10

Finding the Fourth Proportional to 10,728,049.10, 16,092,073.65 and 8,602,285.10

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Solution

The fourth proportional to 10,728,049.10, 16,092,073.65 and 8,602,285.10 is: 12,903,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,049.10 : 16,092,073.65 = 8,602,285.10 : x
  2. Step 2: Convert to fraction form
    10,728,049.10/16,092,073.65 = 8,602,285.10/x
  3. Step 3: Cross multiply
    10,728,049.10x = 16,092,073.65 × 8,602,285.10
  4. Step 4: Simplify right side
    10,728,049.10x = 138,428,605,387,497.61
  5. Step 5: Solve for x
    x = 138,428,605,387,497.61/10,728,049.10
  6. Step 6: Final answer
    x = 12,903,427.65

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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.