Home / 12,571,515-17,347,874.22-7,413,694.20

Finding the Fourth Proportional to 12,571,515, 17,347,874.22 and 7,413,694.20

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Solution

The fourth proportional to 12,571,515, 17,347,874.22 and 7,413,694.20 is: 10,230,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,515 : 17,347,874.22 = 7,413,694.20 : x
  2. Step 2: Convert to fraction form
    12,571,515/17,347,874.22 = 7,413,694.20/x
  3. Step 3: Cross multiply
    12,571,515x = 17,347,874.22 × 7,413,694.20
  4. Step 4: Simplify right side
    12,571,515x = 128,611,834,487,143.52
  5. Step 5: Solve for x
    x = 128,611,834,487,143.52/12,571,515
  6. Step 6: Final answer
    x = 10,230,416.50

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Double scale
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1.5x scale

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.