Home / 18,376,945.20-27,565,417.80-13,593,976.20

Finding the Fourth Proportional to 18,376,945.20, 27,565,417.80 and 13,593,976.20

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Solution

The fourth proportional to 18,376,945.20, 27,565,417.80 and 13,593,976.20 is: 20,390,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,945.20 : 27,565,417.80 = 13,593,976.20 : x
  2. Step 2: Convert to fraction form
    18,376,945.20/27,565,417.80 = 13,593,976.20/x
  3. Step 3: Cross multiply
    18,376,945.20x = 27,565,417.80 × 13,593,976.20
  4. Step 4: Simplify right side
    18,376,945.20x = 374,723,633,516,256.38
  5. Step 5: Solve for x
    x = 374,723,633,516,256.38/18,376,945.20
  6. Step 6: Final answer
    x = 20,390,964.30

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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.