Home / 10,778,609.20-16,144,294.20-9,361,433.20

Finding the Fourth Proportional to 10,778,609.20, 16,144,294.20 and 9,361,433.20

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Solution

The fourth proportional to 10,778,609.20, 16,144,294.20 and 9,361,433.20 is: 14,021,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,609.20 : 16,144,294.20 = 9,361,433.20 : x
  2. Step 2: Convert to fraction form
    10,778,609.20/16,144,294.20 = 9,361,433.20/x
  3. Step 3: Cross multiply
    10,778,609.20x = 16,144,294.20 × 9,361,433.20
  4. Step 4: Simplify right side
    10,778,609.20x = 151,133,731,714,447.41
  5. Step 5: Solve for x
    x = 151,133,731,714,447.41/10,778,609.20
  6. Step 6: Final answer
    x = 14,021,635.71

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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.