Home / 21,694,155-32,550,357.15-13,503,644.40

Finding the Fourth Proportional to 21,694,155, 32,550,357.15 and 13,503,644.40

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Solution

The fourth proportional to 21,694,155, 32,550,357.15 and 13,503,644.40 is: 20,261,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,155 : 32,550,357.15 = 13,503,644.40 : x
  2. Step 2: Convert to fraction form
    21,694,155/32,550,357.15 = 13,503,644.40/x
  3. Step 3: Cross multiply
    21,694,155x = 32,550,357.15 × 13,503,644.40
  4. Step 4: Simplify right side
    21,694,155x = 439,548,448,046,597.44
  5. Step 5: Solve for x
    x = 439,548,448,046,597.44/21,694,155
  6. Step 6: Final answer
    x = 20,261,146.29

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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.