Home / 10,691,446-16,038,769.92-3,869,615.40

Finding the Fourth Proportional to 10,691,446, 16,038,769.92 and 3,869,615.40

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Solution

The fourth proportional to 10,691,446, 16,038,769.92 and 3,869,615.40 is: 5,805,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,446 : 16,038,769.92 = 3,869,615.40 : x
  2. Step 2: Convert to fraction form
    10,691,446/16,038,769.92 = 3,869,615.40/x
  3. Step 3: Cross multiply
    10,691,446x = 16,038,769.92 × 3,869,615.40
  4. Step 4: Simplify right side
    10,691,446x = 62,063,871,079,488.77
  5. Step 5: Solve for x
    x = 62,063,871,079,488.77/10,691,446
  6. Step 6: Final answer
    x = 5,805,002.53

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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.