Home / 55,207,403.10-82,811,104.65-18,856,838.70

Finding the Fourth Proportional to 55,207,403.10, 82,811,104.65 and 18,856,838.70

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Solution

The fourth proportional to 55,207,403.10, 82,811,104.65 and 18,856,838.70 is: 28,285,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207,403.10 : 82,811,104.65 = 18,856,838.70 : x
  2. Step 2: Convert to fraction form
    55,207,403.10/82,811,104.65 = 18,856,838.70/x
  3. Step 3: Cross multiply
    55,207,403.10x = 82,811,104.65 × 18,856,838.70
  4. Step 4: Simplify right side
    55,207,403.10x = 1,561,555,642,953,870
  5. Step 5: Solve for x
    x = 1,561,555,642,953,870/55,207,403.10
  6. Step 6: Final answer
    x = 28,285,258.05

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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.