Home / 15,894,107.40-21,933,910.98-9,018,571.44

Finding the Fourth Proportional to 15,894,107.40, 21,933,910.98 and 9,018,571.44

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Solution

The fourth proportional to 15,894,107.40, 21,933,910.98 and 9,018,571.44 is: 12,445,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894,107.40 : 21,933,910.98 = 9,018,571.44 : x
  2. Step 2: Convert to fraction form
    15,894,107.40/21,933,910.98 = 9,018,571.44/x
  3. Step 3: Cross multiply
    15,894,107.40x = 21,933,910.98 × 9,018,571.44
  4. Step 4: Simplify right side
    15,894,107.40x = 197,812,543,131,730.41
  5. Step 5: Solve for x
    x = 197,812,543,131,730.41/15,894,107.40
  6. Step 6: Final answer
    x = 12,445,652.85

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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.