Home / 13,760,108.90-20,640,163.35-7,382,816.90

Finding the Fourth Proportional to 13,760,108.90, 20,640,163.35 and 7,382,816.90

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Solution

The fourth proportional to 13,760,108.90, 20,640,163.35 and 7,382,816.90 is: 11,074,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,108.90 : 20,640,163.35 = 7,382,816.90 : x
  2. Step 2: Convert to fraction form
    13,760,108.90/20,640,163.35 = 7,382,816.90/x
  3. Step 3: Cross multiply
    13,760,108.90x = 20,640,163.35 × 7,382,816.90
  4. Step 4: Simplify right side
    13,760,108.90x = 152,382,546,799,140.62
  5. Step 5: Solve for x
    x = 152,382,546,799,140.62/13,760,108.90
  6. Step 6: Final answer
    x = 11,074,225.35

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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.