Home / 8,208,001.80-12,312,002.70-5,520,616.20

Finding the Fourth Proportional to 8,208,001.80, 12,312,002.70 and 5,520,616.20

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Solution

The fourth proportional to 8,208,001.80, 12,312,002.70 and 5,520,616.20 is: 8,280,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208,001.80 : 12,312,002.70 = 5,520,616.20 : x
  2. Step 2: Convert to fraction form
    8,208,001.80/12,312,002.70 = 5,520,616.20/x
  3. Step 3: Cross multiply
    8,208,001.80x = 12,312,002.70 × 5,520,616.20
  4. Step 4: Simplify right side
    8,208,001.80x = 67,969,841,560,063.73
  5. Step 5: Solve for x
    x = 67,969,841,560,063.73/8,208,001.80
  6. Step 6: Final answer
    x = 8,280,924.30

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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.