Home / 20,348,728.10-30,523,092.15-5,201,857.70

Finding the Fourth Proportional to 20,348,728.10, 30,523,092.15 and 5,201,857.70

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Solution

The fourth proportional to 20,348,728.10, 30,523,092.15 and 5,201,857.70 is: 7,802,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,728.10 : 30,523,092.15 = 5,201,857.70 : x
  2. Step 2: Convert to fraction form
    20,348,728.10/30,523,092.15 = 5,201,857.70/x
  3. Step 3: Cross multiply
    20,348,728.10x = 30,523,092.15 × 5,201,857.70
  4. Step 4: Simplify right side
    20,348,728.10x = 158,776,781,928,287.06
  5. Step 5: Solve for x
    x = 158,776,781,928,287.06/20,348,728.10
  6. Step 6: Final answer
    x = 7,802,786.55

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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.