Home / 55,207,382.85-82,811,074.28-18,856,818.45

Finding the Fourth Proportional to 55,207,382.85, 82,811,074.28 and 18,856,818.45

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Solution

The fourth proportional to 55,207,382.85, 82,811,074.28 and 18,856,818.45 is: 28,285,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207,382.85 : 82,811,074.28 = 18,856,818.45 : x
  2. Step 2: Convert to fraction form
    55,207,382.85/82,811,074.28 = 18,856,818.45/x
  3. Step 3: Cross multiply
    55,207,382.85x = 82,811,074.28 × 18,856,818.45
  4. Step 4: Simplify right side
    55,207,382.85x = 1,561,553,393,253,140.50
  5. Step 5: Solve for x
    x = 1,561,553,393,253,140.50/55,207,382.85
  6. Step 6: Final answer
    x = 28,285,227.68

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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.