Home / 15,062,287,076.80-20,785,331,987.30-8,195,712,057.20

Finding the Fourth Proportional to 15,062,287,076.80, 20,785,331,987.30 and 8,195,712,057.20

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Solution

The fourth proportional to 15,062,287,076.80, 20,785,331,987.30 and 8,195,712,057.20 is: 11,309,743,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062,287,076.80 : 20,785,331,987.30 = 8,195,712,057.20 : x
  2. Step 2: Convert to fraction form
    15,062,287,076.80/20,785,331,987.30 = 8,195,712,057.20/x
  3. Step 3: Cross multiply
    15,062,287,076.80x = 20,785,331,987.30 × 8,195,712,057.20
  4. Step 4: Simplify right side
    15,062,287,076.80x = 170,350,595,981,219,430,400
  5. Step 5: Solve for x
    x = 170,350,595,981,219,430,400/15,062,287,076.80
  6. Step 6: Final answer
    x = 11,309,743,009.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.