Home / 15,423,681.56-23,141,279.81-8,231,218.11

Finding the Fourth Proportional to 15,423,681.56, 23,141,279.81 and 8,231,218.11

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Solution

The fourth proportional to 15,423,681.56, 23,141,279.81 and 8,231,218.11 is: 12,349,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,681.56 : 23,141,279.81 = 8,231,218.11 : x
  2. Step 2: Convert to fraction form
    15,423,681.56/23,141,279.81 = 8,231,218.11/x
  3. Step 3: Cross multiply
    15,423,681.56x = 23,141,279.81 × 8,231,218.11
  4. Step 4: Simplify right side
    15,423,681.56x = 190,480,921,481,227.41
  5. Step 5: Solve for x
    x = 190,480,921,481,227.41/15,423,681.56
  6. Step 6: Final answer
    x = 12,349,899.78

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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.