Home / 21,559,938.30-32,339,907.45-13,907,187.90

Finding the Fourth Proportional to 21,559,938.30, 32,339,907.45 and 13,907,187.90

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Solution

The fourth proportional to 21,559,938.30, 32,339,907.45 and 13,907,187.90 is: 20,860,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,938.30 : 32,339,907.45 = 13,907,187.90 : x
  2. Step 2: Convert to fraction form
    21,559,938.30/32,339,907.45 = 13,907,187.90/x
  3. Step 3: Cross multiply
    21,559,938.30x = 32,339,907.45 × 13,907,187.90
  4. Step 4: Simplify right side
    21,559,938.30x = 449,757,169,575,759.88
  5. Step 5: Solve for x
    x = 449,757,169,575,759.88/21,559,938.30
  6. Step 6: Final answer
    x = 20,860,781.85

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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.