Home / 15,314,075.33-21,134,447.96-8,438,557.37

Finding the Fourth Proportional to 15,314,075.33, 21,134,447.96 and 8,438,557.37

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Solution

The fourth proportional to 15,314,075.33, 21,134,447.96 and 8,438,557.37 is: 11,645,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,075.33 : 21,134,447.96 = 8,438,557.37 : x
  2. Step 2: Convert to fraction form
    15,314,075.33/21,134,447.96 = 8,438,557.37/x
  3. Step 3: Cross multiply
    15,314,075.33x = 21,134,447.96 × 8,438,557.37
  4. Step 4: Simplify right side
    15,314,075.33x = 178,344,251,445,874.44
  5. Step 5: Solve for x
    x = 178,344,251,445,874.44/15,314,075.33
  6. Step 6: Final answer
    x = 11,645,773.42

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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.