Home / 18,173,726.20-27,260,589.30-13,071,892.60

Finding the Fourth Proportional to 18,173,726.20, 27,260,589.30 and 13,071,892.60

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Solution

The fourth proportional to 18,173,726.20, 27,260,589.30 and 13,071,892.60 is: 19,607,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,726.20 : 27,260,589.30 = 13,071,892.60 : x
  2. Step 2: Convert to fraction form
    18,173,726.20/27,260,589.30 = 13,071,892.60/x
  3. Step 3: Cross multiply
    18,173,726.20x = 27,260,589.30 × 13,071,892.60
  4. Step 4: Simplify right side
    18,173,726.20x = 356,347,495,542,309.19
  5. Step 5: Solve for x
    x = 356,347,495,542,309.19/18,173,726.20
  6. Step 6: Final answer
    x = 19,607,838.90

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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.