Home / 12,081,066.20-18,121,599.30-4,896,042.20

Finding the Fourth Proportional to 12,081,066.20, 18,121,599.30 and 4,896,042.20

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Solution

The fourth proportional to 12,081,066.20, 18,121,599.30 and 4,896,042.20 is: 7,344,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,066.20 : 18,121,599.30 = 4,896,042.20 : x
  2. Step 2: Convert to fraction form
    12,081,066.20/18,121,599.30 = 4,896,042.20/x
  3. Step 3: Cross multiply
    12,081,066.20x = 18,121,599.30 × 4,896,042.20
  4. Step 4: Simplify right side
    12,081,066.20x = 88,724,114,904,290.47
  5. Step 5: Solve for x
    x = 88,724,114,904,290.47/12,081,066.20
  6. Step 6: Final answer
    x = 7,344,063.30

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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.