Home / 9,043,766.20-12,480,136.86-5,176,155.88

Finding the Fourth Proportional to 9,043,766.20, 12,480,136.86 and 5,176,155.88

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Solution

The fourth proportional to 9,043,766.20, 12,480,136.86 and 5,176,155.88 is: 7,142,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043,766.20 : 12,480,136.86 = 5,176,155.88 : x
  2. Step 2: Convert to fraction form
    9,043,766.20/12,480,136.86 = 5,176,155.88/x
  3. Step 3: Cross multiply
    9,043,766.20x = 12,480,136.86 × 5,176,155.88
  4. Step 4: Simplify right side
    9,043,766.20x = 64,599,133,791,093.73
  5. Step 5: Solve for x
    x = 64,599,133,791,093.73/9,043,766.20
  6. Step 6: Final answer
    x = 7,142,946.02

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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.