Home / 55,626,435.66-83,451,612.42-18,741,990.88

Finding the Fourth Proportional to 55,626,435.66, 83,451,612.42 and 18,741,990.88

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Solution

The fourth proportional to 55,626,435.66, 83,451,612.42 and 18,741,990.88 is: 28,117,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626,435.66 : 83,451,612.42 = 18,741,990.88 : x
  2. Step 2: Convert to fraction form
    55,626,435.66/83,451,612.42 = 18,741,990.88/x
  3. Step 3: Cross multiply
    55,626,435.66x = 83,451,612.42 × 18,741,990.88
  4. Step 4: Simplify right side
    55,626,435.66x = 1,564,049,358,896,934.75
  5. Step 5: Solve for x
    x = 1,564,049,358,896,934.75/55,626,435.66
  6. Step 6: Final answer
    x = 28,117,015.59

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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.