Home / 13,372,915.70-20,059,373.55-8,586,010.10

Finding the Fourth Proportional to 13,372,915.70, 20,059,373.55 and 8,586,010.10

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Solution

The fourth proportional to 13,372,915.70, 20,059,373.55 and 8,586,010.10 is: 12,879,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,915.70 : 20,059,373.55 = 8,586,010.10 : x
  2. Step 2: Convert to fraction form
    13,372,915.70/20,059,373.55 = 8,586,010.10/x
  3. Step 3: Cross multiply
    13,372,915.70x = 20,059,373.55 × 8,586,010.10
  4. Step 4: Simplify right side
    13,372,915.70x = 172,229,983,899,972.84
  5. Step 5: Solve for x
    x = 172,229,983,899,972.84/13,372,915.70
  6. Step 6: Final answer
    x = 12,879,015.15

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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.