Home / 20,797,820.20-28,708,207.14-14,292,982.36

Finding the Fourth Proportional to 20,797,820.20, 28,708,207.14 and 14,292,982.36

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Solution

The fourth proportional to 20,797,820.20, 28,708,207.14 and 14,292,982.36 is: 19,729,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797,820.20 : 28,708,207.14 = 14,292,982.36 : x
  2. Step 2: Convert to fraction form
    20,797,820.20/28,708,207.14 = 14,292,982.36/x
  3. Step 3: Cross multiply
    20,797,820.20x = 28,708,207.14 × 14,292,982.36
  4. Step 4: Simplify right side
    20,797,820.20x = 410,325,898,239,246.06
  5. Step 5: Solve for x
    x = 410,325,898,239,246.06/20,797,820.20
  6. Step 6: Final answer
    x = 19,729,274.24

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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.