Home / 13,517,687.20-20,291,276.40-7,545,719.20

Finding the Fourth Proportional to 13,517,687.20, 20,291,276.40 and 7,545,719.20

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Solution

The fourth proportional to 13,517,687.20, 20,291,276.40 and 7,545,719.20 is: 11,326,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517,687.20 : 20,291,276.40 = 7,545,719.20 : x
  2. Step 2: Convert to fraction form
    13,517,687.20/20,291,276.40 = 7,545,719.20/x
  3. Step 3: Cross multiply
    13,517,687.20x = 20,291,276.40 × 7,545,719.20
  4. Step 4: Simplify right side
    13,517,687.20x = 153,112,273,923,986.88
  5. Step 5: Solve for x
    x = 153,112,273,923,986.88/13,517,687.20
  6. Step 6: Final answer
    x = 11,326,809.95

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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.