Home / 18,381,051.20-27,572,613.60-5,601,972.80

Finding the Fourth Proportional to 18,381,051.20, 27,572,613.60 and 5,601,972.80

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Solution

The fourth proportional to 18,381,051.20, 27,572,613.60 and 5,601,972.80 is: 8,403,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,051.20 : 27,572,613.60 = 5,601,972.80 : x
  2. Step 2: Convert to fraction form
    18,381,051.20/27,572,613.60 = 5,601,972.80/x
  3. Step 3: Cross multiply
    18,381,051.20x = 27,572,613.60 × 5,601,972.80
  4. Step 4: Simplify right side
    18,381,051.20x = 154,461,031,412,110.09
  5. Step 5: Solve for x
    x = 154,461,031,412,110.09/18,381,051.20
  6. Step 6: Final answer
    x = 8,403,275.18

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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.