Home / 7,241,382.70-10,862,074.05-7,129,408.30

Finding the Fourth Proportional to 7,241,382.70, 10,862,074.05 and 7,129,408.30

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Solution

The fourth proportional to 7,241,382.70, 10,862,074.05 and 7,129,408.30 is: 10,694,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,382.70 : 10,862,074.05 = 7,129,408.30 : x
  2. Step 2: Convert to fraction form
    7,241,382.70/10,862,074.05 = 7,129,408.30/x
  3. Step 3: Cross multiply
    7,241,382.70x = 10,862,074.05 × 7,129,408.30
  4. Step 4: Simplify right side
    7,241,382.70x = 77,440,160,887,284.62
  5. Step 5: Solve for x
    x = 77,440,160,887,284.62/7,241,382.70
  6. Step 6: Final answer
    x = 10,694,112.45

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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.