Home / 18,239,471.56-27,341,165.10-8,637,977.80

Finding the Fourth Proportional to 18,239,471.56, 27,341,165.10 and 8,637,977.80

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Solution

The fourth proportional to 18,239,471.56, 27,341,165.10 and 8,637,977.80 is: 12,948,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239,471.56 : 27,341,165.10 = 8,637,977.80 : x
  2. Step 2: Convert to fraction form
    18,239,471.56/27,341,165.10 = 8,637,977.80/x
  3. Step 3: Cross multiply
    18,239,471.56x = 27,341,165.10 × 8,637,977.80
  4. Step 4: Simplify right side
    18,239,471.56x = 236,172,377,159,934.81
  5. Step 5: Solve for x
    x = 236,172,377,159,934.81/18,239,471.56
  6. Step 6: Final answer
    x = 12,948,422.13

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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.