Home / 10,902,915.60-16,336,002.60-8,619,687.60

Finding the Fourth Proportional to 10,902,915.60, 16,336,002.60 and 8,619,687.60

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Solution

The fourth proportional to 10,902,915.60, 16,336,002.60 and 8,619,687.60 is: 12,915,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,915.60 : 16,336,002.60 = 8,619,687.60 : x
  2. Step 2: Convert to fraction form
    10,902,915.60/16,336,002.60 = 8,619,687.60/x
  3. Step 3: Cross multiply
    10,902,915.60x = 16,336,002.60 × 8,619,687.60
  4. Step 4: Simplify right side
    10,902,915.60x = 140,811,239,044,787.75
  5. Step 5: Solve for x
    x = 140,811,239,044,787.75/10,902,915.60
  6. Step 6: Final answer
    x = 12,915,007.71

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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.