Home / 13,480,239.20-20,220,358.80-10,121,007.20

Finding the Fourth Proportional to 13,480,239.20, 20,220,358.80 and 10,121,007.20

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Solution

The fourth proportional to 13,480,239.20, 20,220,358.80 and 10,121,007.20 is: 15,181,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,239.20 : 20,220,358.80 = 10,121,007.20 : x
  2. Step 2: Convert to fraction form
    13,480,239.20/20,220,358.80 = 10,121,007.20/x
  3. Step 3: Cross multiply
    13,480,239.20x = 20,220,358.80 × 10,121,007.20
  4. Step 4: Simplify right side
    13,480,239.20x = 204,650,397,001,383.34
  5. Step 5: Solve for x
    x = 204,650,397,001,383.34/13,480,239.20
  6. Step 6: Final answer
    x = 15,181,510.80

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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.