Home / 16,131,462.92-22,261,138.52-8,789,356.40

Finding the Fourth Proportional to 16,131,462.92, 22,261,138.52 and 8,789,356.40

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Solution

The fourth proportional to 16,131,462.92, 22,261,138.52 and 8,789,356.40 is: 12,129,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131,462.92 : 22,261,138.52 = 8,789,356.40 : x
  2. Step 2: Convert to fraction form
    16,131,462.92/22,261,138.52 = 8,789,356.40/x
  3. Step 3: Cross multiply
    16,131,462.92x = 22,261,138.52 × 8,789,356.40
  4. Step 4: Simplify right side
    16,131,462.92x = 195,661,080,322,048.53
  5. Step 5: Solve for x
    x = 195,661,080,322,048.53/16,131,462.92
  6. Step 6: Final answer
    x = 12,129,159.10

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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.