Home / 8,048,999.70-12,073,499.55-7,387,650.90

Finding the Fourth Proportional to 8,048,999.70, 12,073,499.55 and 7,387,650.90

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Solution

The fourth proportional to 8,048,999.70, 12,073,499.55 and 7,387,650.90 is: 11,081,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048,999.70 : 12,073,499.55 = 7,387,650.90 : x
  2. Step 2: Convert to fraction form
    8,048,999.70/12,073,499.55 = 7,387,650.90/x
  3. Step 3: Cross multiply
    8,048,999.70x = 12,073,499.55 × 7,387,650.90
  4. Step 4: Simplify right side
    8,048,999.70x = 89,194,799,816,707.11
  5. Step 5: Solve for x
    x = 89,194,799,816,707.11/8,048,999.70
  6. Step 6: Final answer
    x = 11,081,476.35

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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.