Home / 15,046,490.52-20,764,161-8,170,970.76

Finding the Fourth Proportional to 15,046,490.52, 20,764,161 and 8,170,970.76

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Solution

The fourth proportional to 15,046,490.52, 20,764,161 and 8,170,970.76 is: 11,275,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,490.52 : 20,764,161 = 8,170,970.76 : x
  2. Step 2: Convert to fraction form
    15,046,490.52/20,764,161 = 8,170,970.76/x
  3. Step 3: Cross multiply
    15,046,490.52x = 20,764,161 × 8,170,970.76
  4. Step 4: Simplify right side
    15,046,490.52x = 169,663,352,386,932.34
  5. Step 5: Solve for x
    x = 169,663,352,386,932.34/15,046,490.52
  6. Step 6: Final answer
    x = 11,275,941.87

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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.