Home / 18,460,864.20-27,691,296.30-13,359,030.60

Finding the Fourth Proportional to 18,460,864.20, 27,691,296.30 and 13,359,030.60

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Solution

The fourth proportional to 18,460,864.20, 27,691,296.30 and 13,359,030.60 is: 20,038,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460,864.20 : 27,691,296.30 = 13,359,030.60 : x
  2. Step 2: Convert to fraction form
    18,460,864.20/27,691,296.30 = 13,359,030.60/x
  3. Step 3: Cross multiply
    18,460,864.20x = 27,691,296.30 × 13,359,030.60
  4. Step 4: Simplify right side
    18,460,864.20x = 369,928,874,625,366.75
  5. Step 5: Solve for x
    x = 369,928,874,625,366.75/18,460,864.20
  6. Step 6: Final answer
    x = 20,038,545.90

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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.