Home / 18,490,493.43-27,739,523.03-6,358,381.22

Finding the Fourth Proportional to 18,490,493.43, 27,739,523.03 and 6,358,381.22

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Solution

The fourth proportional to 18,490,493.43, 27,739,523.03 and 6,358,381.22 is: 9,538,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490,493.43 : 27,739,523.03 = 6,358,381.22 : x
  2. Step 2: Convert to fraction form
    18,490,493.43/27,739,523.03 = 6,358,381.22/x
  3. Step 3: Cross multiply
    18,490,493.43x = 27,739,523.03 × 6,358,381.22
  4. Step 4: Simplify right side
    18,490,493.43x = 176,378,462,323,266.41
  5. Step 5: Solve for x
    x = 176,378,462,323,266.41/18,490,493.43
  6. Step 6: Final answer
    x = 9,538,872.66

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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.