Home / 10,040,647.40-15,060,971.10-9,347,805.80

Finding the Fourth Proportional to 10,040,647.40, 15,060,971.10 and 9,347,805.80

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Solution

The fourth proportional to 10,040,647.40, 15,060,971.10 and 9,347,805.80 is: 14,021,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040,647.40 : 15,060,971.10 = 9,347,805.80 : x
  2. Step 2: Convert to fraction form
    10,040,647.40/15,060,971.10 = 9,347,805.80/x
  3. Step 3: Cross multiply
    10,040,647.40x = 15,060,971.10 × 9,347,805.80
  4. Step 4: Simplify right side
    10,040,647.40x = 140,787,033,002,212.38
  5. Step 5: Solve for x
    x = 140,787,033,002,212.38/10,040,647.40
  6. Step 6: Final answer
    x = 14,021,708.70

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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.