Home / 10,561,558.70-15,876,163.65-9,812,729.90

Finding the Fourth Proportional to 10,561,558.70, 15,876,163.65 and 9,812,729.90

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Solution

The fourth proportional to 10,561,558.70, 15,876,163.65 and 9,812,729.90 is: 14,750,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,558.70 : 15,876,163.65 = 9,812,729.90 : x
  2. Step 2: Convert to fraction form
    10,561,558.70/15,876,163.65 = 9,812,729.90/x
  3. Step 3: Cross multiply
    10,561,558.70x = 15,876,163.65 × 9,812,729.90
  4. Step 4: Simplify right side
    10,561,558.70x = 155,788,505,745,648.16
  5. Step 5: Solve for x
    x = 155,788,505,745,648.16/10,561,558.70
  6. Step 6: Final answer
    x = 14,750,522.17

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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.