Home / 8,319,092.80-12,478,639.20-4,959,860.80

Finding the Fourth Proportional to 8,319,092.80, 12,478,639.20 and 4,959,860.80

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Solution

The fourth proportional to 8,319,092.80, 12,478,639.20 and 4,959,860.80 is: 7,439,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,092.80 : 12,478,639.20 = 4,959,860.80 : x
  2. Step 2: Convert to fraction form
    8,319,092.80/12,478,639.20 = 4,959,860.80/x
  3. Step 3: Cross multiply
    8,319,092.80x = 12,478,639.20 × 4,959,860.80
  4. Step 4: Simplify right side
    8,319,092.80x = 61,892,313,405,423.35
  5. Step 5: Solve for x
    x = 61,892,313,405,423.35/8,319,092.80
  6. Step 6: Final answer
    x = 7,439,791.20

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Similar ratio
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1.5x scale

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.