Home / 21,902,945.60-32,854,418.40-18,543,713.60

Finding the Fourth Proportional to 21,902,945.60, 32,854,418.40 and 18,543,713.60

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Solution

The fourth proportional to 21,902,945.60, 32,854,418.40 and 18,543,713.60 is: 27,815,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,945.60 : 32,854,418.40 = 18,543,713.60 : x
  2. Step 2: Convert to fraction form
    21,902,945.60/32,854,418.40 = 18,543,713.60/x
  3. Step 3: Cross multiply
    21,902,945.60x = 32,854,418.40 × 18,543,713.60
  4. Step 4: Simplify right side
    21,902,945.60x = 609,242,925,304,170.25
  5. Step 5: Solve for x
    x = 609,242,925,304,170.25/21,902,945.60
  6. Step 6: Final answer
    x = 27,815,570.40

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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.