Home / 20,797,837.20-28,708,230.60-14,292,999.36

Finding the Fourth Proportional to 20,797,837.20, 28,708,230.60 and 14,292,999.36

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Solution

The fourth proportional to 20,797,837.20, 28,708,230.60 and 14,292,999.36 is: 19,729,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797,837.20 : 28,708,230.60 = 14,292,999.36 : x
  2. Step 2: Convert to fraction form
    20,797,837.20/28,708,230.60 = 14,292,999.36/x
  3. Step 3: Cross multiply
    20,797,837.20x = 28,708,230.60 × 14,292,999.36
  4. Step 4: Simplify right side
    20,797,837.20x = 410,326,721,592,532.44
  5. Step 5: Solve for x
    x = 410,326,721,592,532.44/20,797,837.20
  6. Step 6: Final answer
    x = 19,729,297.70

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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.