Home / 10,719,023.20-16,078,534.80-9,177,844.30

Finding the Fourth Proportional to 10,719,023.20, 16,078,534.80 and 9,177,844.30

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Solution

The fourth proportional to 10,719,023.20, 16,078,534.80 and 9,177,844.30 is: 13,766,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719,023.20 : 16,078,534.80 = 9,177,844.30 : x
  2. Step 2: Convert to fraction form
    10,719,023.20/16,078,534.80 = 9,177,844.30/x
  3. Step 3: Cross multiply
    10,719,023.20x = 16,078,534.80 × 9,177,844.30
  4. Step 4: Simplify right side
    10,719,023.20x = 147,566,288,966,531.66
  5. Step 5: Solve for x
    x = 147,566,288,966,531.66/10,719,023.20
  6. Step 6: Final answer
    x = 13,766,766.45

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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.