Home / 10,049,794.80-15,074,692.20-8,490,901.20

Finding the Fourth Proportional to 10,049,794.80, 15,074,692.20 and 8,490,901.20

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Solution

The fourth proportional to 10,049,794.80, 15,074,692.20 and 8,490,901.20 is: 12,736,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049,794.80 : 15,074,692.20 = 8,490,901.20 : x
  2. Step 2: Convert to fraction form
    10,049,794.80/15,074,692.20 = 8,490,901.20/x
  3. Step 3: Cross multiply
    10,049,794.80x = 15,074,692.20 × 8,490,901.20
  4. Step 4: Simplify right side
    10,049,794.80x = 127,997,722,090,610.62
  5. Step 5: Solve for x
    x = 127,997,722,090,610.62/10,049,794.80
  6. Step 6: Final answer
    x = 12,736,351.80

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Double scale
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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.