Home / 11,052,015.40-16,578,023.10-8,341,666.30

Finding the Fourth Proportional to 11,052,015.40, 16,578,023.10 and 8,341,666.30

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Solution

The fourth proportional to 11,052,015.40, 16,578,023.10 and 8,341,666.30 is: 12,512,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052,015.40 : 16,578,023.10 = 8,341,666.30 : x
  2. Step 2: Convert to fraction form
    11,052,015.40/16,578,023.10 = 8,341,666.30/x
  3. Step 3: Cross multiply
    11,052,015.40x = 16,578,023.10 × 8,341,666.30
  4. Step 4: Simplify right side
    11,052,015.40x = 138,288,336,613,891.53
  5. Step 5: Solve for x
    x = 138,288,336,613,891.53/11,052,015.40
  6. Step 6: Final answer
    x = 12,512,499.45

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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.