Home / 21,376,659.90-29,499,000.33-11,586,893.91

Finding the Fourth Proportional to 21,376,659.90, 29,499,000.33 and 11,586,893.91

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Solution

The fourth proportional to 21,376,659.90, 29,499,000.33 and 11,586,893.91 is: 15,989,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,659.90 : 29,499,000.33 = 11,586,893.91 : x
  2. Step 2: Convert to fraction form
    21,376,659.90/29,499,000.33 = 11,586,893.91/x
  3. Step 3: Cross multiply
    21,376,659.90x = 29,499,000.33 × 11,586,893.91
  4. Step 4: Simplify right side
    21,376,659.90x = 341,801,787,274,765
  5. Step 5: Solve for x
    x = 341,801,787,274,765/21,376,659.90
  6. Step 6: Final answer
    x = 15,989,485.21

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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.