Home / 19,162,331.90-28,743,499.10-15,306,099.48

Finding the Fourth Proportional to 19,162,331.90, 28,743,499.10 and 15,306,099.48

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Solution

The fourth proportional to 19,162,331.90, 28,743,499.10 and 15,306,099.48 is: 22,959,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,331.90 : 28,743,499.10 = 15,306,099.48 : x
  2. Step 2: Convert to fraction form
    19,162,331.90/28,743,499.10 = 15,306,099.48/x
  3. Step 3: Cross multiply
    19,162,331.90x = 28,743,499.10 × 15,306,099.48
  4. Step 4: Simplify right side
    19,162,331.90x = 439,950,856,443,571.81
  5. Step 5: Solve for x
    x = 439,950,856,443,571.81/19,162,331.90
  6. Step 6: Final answer
    x = 22,959,150.21

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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.