Home / 18,789,726.06-28,176,119.26-6,656,429.81

Finding the Fourth Proportional to 18,789,726.06, 28,176,119.26 and 6,656,429.81

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Solution

The fourth proportional to 18,789,726.06, 28,176,119.26 and 6,656,429.81 is: 9,981,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,726.06 : 28,176,119.26 = 6,656,429.81 : x
  2. Step 2: Convert to fraction form
    18,789,726.06/28,176,119.26 = 6,656,429.81/x
  3. Step 3: Cross multiply
    18,789,726.06x = 28,176,119.26 × 6,656,429.81
  4. Step 4: Simplify right side
    18,789,726.06x = 187,552,360,226,178.38
  5. Step 5: Solve for x
    x = 187,552,360,226,178.38/18,789,726.06
  6. Step 6: Final answer
    x = 9,981,644.20

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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.