Home / 15,247,061.52-21,040,883.20-8,720,681.64

Finding the Fourth Proportional to 15,247,061.52, 21,040,883.20 and 8,720,681.64

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Solution

The fourth proportional to 15,247,061.52, 21,040,883.20 and 8,720,681.64 is: 12,034,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,061.52 : 21,040,883.20 = 8,720,681.64 : x
  2. Step 2: Convert to fraction form
    15,247,061.52/21,040,883.20 = 8,720,681.64/x
  3. Step 3: Cross multiply
    15,247,061.52x = 21,040,883.20 × 8,720,681.64
  4. Step 4: Simplify right side
    15,247,061.52x = 183,490,843,811,624.47
  5. Step 5: Solve for x
    x = 183,490,843,811,624.47/15,247,061.52
  6. Step 6: Final answer
    x = 12,034,505.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.