Home / 21,563,098.28-32,325,751.74-8,109,374.12

Finding the Fourth Proportional to 21,563,098.28, 32,325,751.74 and 8,109,374.12

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Solution

The fourth proportional to 21,563,098.28, 32,325,751.74 and 8,109,374.12 is: 12,156,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563,098.28 : 32,325,751.74 = 8,109,374.12 : x
  2. Step 2: Convert to fraction form
    21,563,098.28/32,325,751.74 = 8,109,374.12/x
  3. Step 3: Cross multiply
    21,563,098.28x = 32,325,751.74 × 8,109,374.12
  4. Step 4: Simplify right side
    21,563,098.28x = 262,141,614,569,900.97
  5. Step 5: Solve for x
    x = 262,141,614,569,900.97/21,563,098.28
  6. Step 6: Final answer
    x = 12,156,954.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.