Home / 13,480,238.20-20,220,357.30-10,121,006.20

Finding the Fourth Proportional to 13,480,238.20, 20,220,357.30 and 10,121,006.20

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Solution

The fourth proportional to 13,480,238.20, 20,220,357.30 and 10,121,006.20 is: 15,181,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,238.20 : 20,220,357.30 = 10,121,006.20 : x
  2. Step 2: Convert to fraction form
    13,480,238.20/20,220,357.30 = 10,121,006.20/x
  3. Step 3: Cross multiply
    13,480,238.20x = 20,220,357.30 × 10,121,006.20
  4. Step 4: Simplify right side
    13,480,238.20x = 204,650,361,599,515.25
  5. Step 5: Solve for x
    x = 204,650,361,599,515.25/13,480,238.20
  6. Step 6: Final answer
    x = 15,181,509.30

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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.