Home / 55,217,941.20-82,826,911.80-18,814,232.70

Finding the Fourth Proportional to 55,217,941.20, 82,826,911.80 and 18,814,232.70

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Solution

The fourth proportional to 55,217,941.20, 82,826,911.80 and 18,814,232.70 is: 28,221,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,217,941.20 : 82,826,911.80 = 18,814,232.70 : x
  2. Step 2: Convert to fraction form
    55,217,941.20/82,826,911.80 = 18,814,232.70/x
  3. Step 3: Cross multiply
    55,217,941.20x = 82,826,911.80 × 18,814,232.70
  4. Step 4: Simplify right side
    55,217,941.20x = 1,558,324,792,427,575.75
  5. Step 5: Solve for x
    x = 1,558,324,792,427,575.75/55,217,941.20
  6. Step 6: Final answer
    x = 28,221,349.05

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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.