Home / 18,101,542.20-27,152,313.30-12,361,979.40

Finding the Fourth Proportional to 18,101,542.20, 27,152,313.30 and 12,361,979.40

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Solution

The fourth proportional to 18,101,542.20, 27,152,313.30 and 12,361,979.40 is: 18,542,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101,542.20 : 27,152,313.30 = 12,361,979.40 : x
  2. Step 2: Convert to fraction form
    18,101,542.20/27,152,313.30 = 12,361,979.40/x
  3. Step 3: Cross multiply
    18,101,542.20x = 27,152,313.30 × 12,361,979.40
  4. Step 4: Simplify right side
    18,101,542.20x = 335,656,337,676,946.06
  5. Step 5: Solve for x
    x = 335,656,337,676,946.06/18,101,542.20
  6. Step 6: Final answer
    x = 18,542,969.10

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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.