Home / 8,087,495.80-12,131,243.70-7,340,999.80

Finding the Fourth Proportional to 8,087,495.80, 12,131,243.70 and 7,340,999.80

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Solution

The fourth proportional to 8,087,495.80, 12,131,243.70 and 7,340,999.80 is: 11,011,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,495.80 : 12,131,243.70 = 7,340,999.80 : x
  2. Step 2: Convert to fraction form
    8,087,495.80/12,131,243.70 = 7,340,999.80/x
  3. Step 3: Cross multiply
    8,087,495.80x = 12,131,243.70 × 7,340,999.80
  4. Step 4: Simplify right side
    8,087,495.80x = 89,055,457,575,451.25
  5. Step 5: Solve for x
    x = 89,055,457,575,451.25/8,087,495.80
  6. Step 6: Final answer
    x = 11,011,499.70

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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.