Home / 7,371,839.70-11,057,759.55-6,112,127.70

Finding the Fourth Proportional to 7,371,839.70, 11,057,759.55 and 6,112,127.70

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Solution

The fourth proportional to 7,371,839.70, 11,057,759.55 and 6,112,127.70 is: 9,168,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371,839.70 : 11,057,759.55 = 6,112,127.70 : x
  2. Step 2: Convert to fraction form
    7,371,839.70/11,057,759.55 = 6,112,127.70/x
  3. Step 3: Cross multiply
    7,371,839.70x = 11,057,759.55 × 6,112,127.70
  4. Step 4: Simplify right side
    7,371,839.70x = 67,586,438,445,494.54
  5. Step 5: Solve for x
    x = 67,586,438,445,494.54/7,371,839.70
  6. Step 6: Final answer
    x = 9,168,191.55

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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.