Home / 20,016,632.40-30,024,948.60-13,202,377.80

Finding the Fourth Proportional to 20,016,632.40, 30,024,948.60 and 13,202,377.80

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Solution

The fourth proportional to 20,016,632.40, 30,024,948.60 and 13,202,377.80 is: 19,803,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016,632.40 : 30,024,948.60 = 13,202,377.80 : x
  2. Step 2: Convert to fraction form
    20,016,632.40/30,024,948.60 = 13,202,377.80/x
  3. Step 3: Cross multiply
    20,016,632.40x = 30,024,948.60 × 13,202,377.80
  4. Step 4: Simplify right side
    20,016,632.40x = 396,400,714,842,781.12
  5. Step 5: Solve for x
    x = 396,400,714,842,781.12/20,016,632.40
  6. Step 6: Final answer
    x = 19,803,566.70

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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.