Home / 10,071,545.40-15,107,318.10-8,701,608.60

Finding the Fourth Proportional to 10,071,545.40, 15,107,318.10 and 8,701,608.60

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Solution

The fourth proportional to 10,071,545.40, 15,107,318.10 and 8,701,608.60 is: 13,052,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,545.40 : 15,107,318.10 = 8,701,608.60 : x
  2. Step 2: Convert to fraction form
    10,071,545.40/15,107,318.10 = 8,701,608.60/x
  3. Step 3: Cross multiply
    10,071,545.40x = 15,107,318.10 × 8,701,608.60
  4. Step 4: Simplify right side
    10,071,545.40x = 131,457,969,101,895.66
  5. Step 5: Solve for x
    x = 131,457,969,101,895.66/10,071,545.40
  6. Step 6: Final answer
    x = 13,052,412.90

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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.