Home / 7,241,381.70-10,862,072.55-7,129,407.30

Finding the Fourth Proportional to 7,241,381.70, 10,862,072.55 and 7,129,407.30

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Solution

The fourth proportional to 7,241,381.70, 10,862,072.55 and 7,129,407.30 is: 10,694,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,381.70 : 10,862,072.55 = 7,129,407.30 : x
  2. Step 2: Convert to fraction form
    7,241,381.70/10,862,072.55 = 7,129,407.30/x
  3. Step 3: Cross multiply
    7,241,381.70x = 10,862,072.55 × 7,129,407.30
  4. Step 4: Simplify right side
    7,241,381.70x = 77,440,139,331,099.62
  5. Step 5: Solve for x
    x = 77,440,139,331,099.62/7,241,381.70
  6. Step 6: Final answer
    x = 10,694,110.95

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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.