Home / 15,517,440.45-21,414,732.21-8,641,922.49

Finding the Fourth Proportional to 15,517,440.45, 21,414,732.21 and 8,641,922.49

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Solution

The fourth proportional to 15,517,440.45, 21,414,732.21 and 8,641,922.49 is: 11,926,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,440.45 : 21,414,732.21 = 8,641,922.49 : x
  2. Step 2: Convert to fraction form
    15,517,440.45/21,414,732.21 = 8,641,922.49/x
  3. Step 3: Cross multiply
    15,517,440.45x = 21,414,732.21 × 8,641,922.49
  4. Step 4: Simplify right side
    15,517,440.45x = 185,064,455,902,926.41
  5. Step 5: Solve for x
    x = 185,064,455,902,926.41/15,517,440.45
  6. Step 6: Final answer
    x = 11,926,223.05

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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.