Home / 36,148,000.80-54,222,001.20-12,213,127.20

Finding the Fourth Proportional to 36,148,000.80, 54,222,001.20 and 12,213,127.20

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Solution

The fourth proportional to 36,148,000.80, 54,222,001.20 and 12,213,127.20 is: 18,319,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148,000.80 : 54,222,001.20 = 12,213,127.20 : x
  2. Step 2: Convert to fraction form
    36,148,000.80/54,222,001.20 = 12,213,127.20/x
  3. Step 3: Cross multiply
    36,148,000.80x = 54,222,001.20 × 12,213,127.20
  4. Step 4: Simplify right side
    36,148,000.80x = 662,220,197,694,152.62
  5. Step 5: Solve for x
    x = 662,220,197,694,152.62/36,148,000.80
  6. Step 6: Final answer
    x = 18,319,690.80

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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.