Home / 15,283,990.20-21,092,043.66-8,314,820.26

Finding the Fourth Proportional to 15,283,990.20, 21,092,043.66 and 8,314,820.26

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Solution

The fourth proportional to 15,283,990.20, 21,092,043.66 and 8,314,820.26 is: 11,474,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283,990.20 : 21,092,043.66 = 8,314,820.26 : x
  2. Step 2: Convert to fraction form
    15,283,990.20/21,092,043.66 = 8,314,820.26/x
  3. Step 3: Cross multiply
    15,283,990.20x = 21,092,043.66 × 8,314,820.26
  4. Step 4: Simplify right side
    15,283,990.20x = 175,376,551,948,972.56
  5. Step 5: Solve for x
    x = 175,376,551,948,972.56/15,283,990.20
  6. Step 6: Final answer
    x = 11,474,526.59

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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.