Home / 15,411,178.75-21,267,770.16-8,795,634.40

Finding the Fourth Proportional to 15,411,178.75, 21,267,770.16 and 8,795,634.40

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Solution

The fourth proportional to 15,411,178.75, 21,267,770.16 and 8,795,634.40 is: 12,138,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,178.75 : 21,267,770.16 = 8,795,634.40 : x
  2. Step 2: Convert to fraction form
    15,411,178.75/21,267,770.16 = 8,795,634.40/x
  3. Step 3: Cross multiply
    15,411,178.75x = 21,267,770.16 × 8,795,634.40
  4. Step 4: Simplify right side
    15,411,178.75x = 187,063,530,830,589.50
  5. Step 5: Solve for x
    x = 187,063,530,830,589.50/15,411,178.75
  6. Step 6: Final answer
    x = 12,138,171.51

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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.