Home / 15,849,432-21,872,216.16-8,606,088

Finding the Fourth Proportional to 15,849,432, 21,872,216.16 and 8,606,088

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Solution

The fourth proportional to 15,849,432, 21,872,216.16 and 8,606,088 is: 11,876,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849,432 : 21,872,216.16 = 8,606,088 : x
  2. Step 2: Convert to fraction form
    15,849,432/21,872,216.16 = 8,606,088/x
  3. Step 3: Cross multiply
    15,849,432x = 21,872,216.16 × 8,606,088
  4. Step 4: Simplify right side
    15,849,432x = 188,234,217,027,982.09
  5. Step 5: Solve for x
    x = 188,234,217,027,982.09/15,849,432
  6. Step 6: Final answer
    x = 11,876,401.44

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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.