Home / 9,113,915.20-13,676,121.60-3,438,212.80

Finding the Fourth Proportional to 9,113,915.20, 13,676,121.60 and 3,438,212.80

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Solution

The fourth proportional to 9,113,915.20, 13,676,121.60 and 3,438,212.80 is: 5,159,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113,915.20 : 13,676,121.60 = 3,438,212.80 : x
  2. Step 2: Convert to fraction form
    9,113,915.20/13,676,121.60 = 3,438,212.80/x
  3. Step 3: Cross multiply
    9,113,915.20x = 13,676,121.60 × 3,438,212.80
  4. Step 4: Simplify right side
    9,113,915.20x = 47,021,416,339,476.48
  5. Step 5: Solve for x
    x = 47,021,416,339,476.48/9,113,915.20
  6. Step 6: Final answer
    x = 5,159,299.30

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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.