Home / 15,048,125.53-20,767,693.88-8,522,915.78

Finding the Fourth Proportional to 15,048,125.53, 20,767,693.88 and 8,522,915.78

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Solution

The fourth proportional to 15,048,125.53, 20,767,693.88 and 8,522,915.78 is: 11,762,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,125.53 : 20,767,693.88 = 8,522,915.78 : x
  2. Step 2: Convert to fraction form
    15,048,125.53/20,767,693.88 = 8,522,915.78/x
  3. Step 3: Cross multiply
    15,048,125.53x = 20,767,693.88 × 8,522,915.78
  4. Step 4: Simplify right side
    15,048,125.53x = 177,001,305,957,287.97
  5. Step 5: Solve for x
    x = 177,001,305,957,287.97/15,048,125.53
  6. Step 6: Final answer
    x = 11,762,349.11

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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.