Home / 21,482,278.80-32,241,043.80-21,314,317.20

Finding the Fourth Proportional to 21,482,278.80, 32,241,043.80 and 21,314,317.20

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Solution

The fourth proportional to 21,482,278.80, 32,241,043.80 and 21,314,317.20 is: 31,988,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,278.80 : 32,241,043.80 = 21,314,317.20 : x
  2. Step 2: Convert to fraction form
    21,482,278.80/32,241,043.80 = 21,314,317.20/x
  3. Step 3: Cross multiply
    21,482,278.80x = 32,241,043.80 × 21,314,317.20
  4. Step 4: Simplify right side
    21,482,278.80x = 687,195,834,412,293.38
  5. Step 5: Solve for x
    x = 687,195,834,412,293.38/21,482,278.80
  6. Step 6: Final answer
    x = 31,988,963.59

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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.