Home / 8,319,052.80-12,466,915.20-6,616,108.80

Finding the Fourth Proportional to 8,319,052.80, 12,466,915.20 and 6,616,108.80

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Solution

The fourth proportional to 8,319,052.80, 12,466,915.20 and 6,616,108.80 is: 9,914,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,052.80 : 12,466,915.20 = 6,616,108.80 : x
  2. Step 2: Convert to fraction form
    8,319,052.80/12,466,915.20 = 6,616,108.80/x
  3. Step 3: Cross multiply
    8,319,052.80x = 12,466,915.20 × 6,616,108.80
  4. Step 4: Simplify right side
    8,319,052.80x = 82,482,467,363,573.75
  5. Step 5: Solve for x
    x = 82,482,467,363,573.75/8,319,052.80
  6. Step 6: Final answer
    x = 9,914,886.87

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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.