Home / 8,898,385.50-12,279,661.40-5,227,636.68

Finding the Fourth Proportional to 8,898,385.50, 12,279,661.40 and 5,227,636.68

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Solution

The fourth proportional to 8,898,385.50, 12,279,661.40 and 5,227,636.68 is: 7,214,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,385.50 : 12,279,661.40 = 5,227,636.68 : x
  2. Step 2: Convert to fraction form
    8,898,385.50/12,279,661.40 = 5,227,636.68/x
  3. Step 3: Cross multiply
    8,898,385.50x = 12,279,661.40 × 5,227,636.68
  4. Step 4: Simplify right side
    8,898,385.50x = 64,193,608,326,481.96
  5. Step 5: Solve for x
    x = 64,193,608,326,481.96/8,898,385.50
  6. Step 6: Final answer
    x = 7,214,073.65

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1.5x scale

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.