Home / 15,491,035.20-23,191,128-10,863,984.72

Finding the Fourth Proportional to 15,491,035.20, 23,191,128 and 10,863,984.72

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Solution

The fourth proportional to 15,491,035.20, 23,191,128 and 10,863,984.72 is: 16,264,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491,035.20 : 23,191,128 = 10,863,984.72 : x
  2. Step 2: Convert to fraction form
    15,491,035.20/23,191,128 = 10,863,984.72/x
  3. Step 3: Cross multiply
    15,491,035.20x = 23,191,128 × 10,863,984.72
  4. Step 4: Simplify right side
    15,491,035.20x = 251,948,060,231,564.19
  5. Step 5: Solve for x
    x = 251,948,060,231,564.19/15,491,035.20
  6. Step 6: Final answer
    x = 16,264,120.31

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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.