Home / 8,859,091.20-13,288,636.80-8,775,110.40

Finding the Fourth Proportional to 8,859,091.20, 13,288,636.80 and 8,775,110.40

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Solution

The fourth proportional to 8,859,091.20, 13,288,636.80 and 8,775,110.40 is: 13,162,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,091.20 : 13,288,636.80 = 8,775,110.40 : x
  2. Step 2: Convert to fraction form
    8,859,091.20/13,288,636.80 = 8,775,110.40/x
  3. Step 3: Cross multiply
    8,859,091.20x = 13,288,636.80 × 8,775,110.40
  4. Step 4: Simplify right side
    8,859,091.20x = 116,609,254,985,502.73
  5. Step 5: Solve for x
    x = 116,609,254,985,502.73/8,859,091.20
  6. Step 6: Final answer
    x = 13,162,665.60

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Similar ratio
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1.5x scale

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.