Home / 10,522,101.70-15,794,962.35-8,136,522.10

Finding the Fourth Proportional to 10,522,101.70, 15,794,962.35 and 8,136,522.10

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Solution

The fourth proportional to 10,522,101.70, 15,794,962.35 and 8,136,522.10 is: 12,213,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522,101.70 : 15,794,962.35 = 8,136,522.10 : x
  2. Step 2: Convert to fraction form
    10,522,101.70/15,794,962.35 = 8,136,522.10/x
  3. Step 3: Cross multiply
    10,522,101.70x = 15,794,962.35 × 8,136,522.10
  4. Step 4: Simplify right side
    10,522,101.70x = 128,516,060,229,442.92
  5. Step 5: Solve for x
    x = 128,516,060,229,442.92/10,522,101.70
  6. Step 6: Final answer
    x = 12,213,915.42

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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.