Home / 8,494,029.80-12,741,044.70-5,308,980.20

Finding the Fourth Proportional to 8,494,029.80, 12,741,044.70 and 5,308,980.20

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Solution

The fourth proportional to 8,494,029.80, 12,741,044.70 and 5,308,980.20 is: 7,963,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494,029.80 : 12,741,044.70 = 5,308,980.20 : x
  2. Step 2: Convert to fraction form
    8,494,029.80/12,741,044.70 = 5,308,980.20/x
  3. Step 3: Cross multiply
    8,494,029.80x = 12,741,044.70 × 5,308,980.20
  4. Step 4: Simplify right side
    8,494,029.80x = 67,641,954,039,614.94
  5. Step 5: Solve for x
    x = 67,641,954,039,614.94/8,494,029.80
  6. Step 6: Final answer
    x = 7,963,470.30

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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.