Home / 15,531,948.25-21,435,605.30-11,604,890.86

Finding the Fourth Proportional to 15,531,948.25, 21,435,605.30 and 11,604,890.86

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Solution

The fourth proportional to 15,531,948.25, 21,435,605.30 and 11,604,890.86 is: 16,015,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531,948.25 : 21,435,605.30 = 11,604,890.86 : x
  2. Step 2: Convert to fraction form
    15,531,948.25/21,435,605.30 = 11,604,890.86/x
  3. Step 3: Cross multiply
    15,531,948.25x = 21,435,605.30 × 11,604,890.86
  4. Step 4: Simplify right side
    15,531,948.25x = 248,757,859,999,960.75
  5. Step 5: Solve for x
    x = 248,757,859,999,960.75/15,531,948.25
  6. Step 6: Final answer
    x = 16,015,882.62

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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.