Home / 10,778,475.20-16,167,712.80-7,377,252.80

Finding the Fourth Proportional to 10,778,475.20, 16,167,712.80 and 7,377,252.80

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Solution

The fourth proportional to 10,778,475.20, 16,167,712.80 and 7,377,252.80 is: 11,065,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,475.20 : 16,167,712.80 = 7,377,252.80 : x
  2. Step 2: Convert to fraction form
    10,778,475.20/16,167,712.80 = 7,377,252.80/x
  3. Step 3: Cross multiply
    10,778,475.20x = 16,167,712.80 × 7,377,252.80
  4. Step 4: Simplify right side
    10,778,475.20x = 119,273,304,523,395.84
  5. Step 5: Solve for x
    x = 119,273,304,523,395.84/10,778,475.20
  6. Step 6: Final answer
    x = 11,065,879.20

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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.