Home / 7,381,033.20-11,071,549.80-3,399,721.20

Finding the Fourth Proportional to 7,381,033.20, 11,071,549.80 and 3,399,721.20

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Solution

The fourth proportional to 7,381,033.20, 11,071,549.80 and 3,399,721.20 is: 5,099,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,033.20 : 11,071,549.80 = 3,399,721.20 : x
  2. Step 2: Convert to fraction form
    7,381,033.20/11,071,549.80 = 3,399,721.20/x
  3. Step 3: Cross multiply
    7,381,033.20x = 11,071,549.80 × 3,399,721.20
  4. Step 4: Simplify right side
    7,381,033.20x = 37,640,182,571,915.77
  5. Step 5: Solve for x
    x = 37,640,182,571,915.77/7,381,033.20
  6. Step 6: Final answer
    x = 5,099,581.80

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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.