Home / 8,397,619.20-12,596,428.80-3,080,908.80

Finding the Fourth Proportional to 8,397,619.20, 12,596,428.80 and 3,080,908.80

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Solution

The fourth proportional to 8,397,619.20, 12,596,428.80 and 3,080,908.80 is: 4,621,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397,619.20 : 12,596,428.80 = 3,080,908.80 : x
  2. Step 2: Convert to fraction form
    8,397,619.20/12,596,428.80 = 3,080,908.80/x
  3. Step 3: Cross multiply
    8,397,619.20x = 12,596,428.80 × 3,080,908.80
  4. Step 4: Simplify right side
    8,397,619.20x = 38,808,448,338,493.44
  5. Step 5: Solve for x
    x = 38,808,448,338,493.44/8,397,619.20
  6. Step 6: Final answer
    x = 4,621,363.20

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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.