Home / 25,222,438.74-34,809,537.18-15,439,348.08

Finding the Fourth Proportional to 25,222,438.74, 34,809,537.18 and 15,439,348.08

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Solution

The fourth proportional to 25,222,438.74, 34,809,537.18 and 15,439,348.08 is: 21,307,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222,438.74 : 34,809,537.18 = 15,439,348.08 : x
  2. Step 2: Convert to fraction form
    25,222,438.74/34,809,537.18 = 15,439,348.08/x
  3. Step 3: Cross multiply
    25,222,438.74x = 34,809,537.18 × 15,439,348.08
  4. Step 4: Simplify right side
    25,222,438.74x = 537,436,561,025,721.62
  5. Step 5: Solve for x
    x = 537,436,561,025,721.62/25,222,438.74
  6. Step 6: Final answer
    x = 21,307,874.57

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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.