Home / 8,309,578.40-12,462,034.80-2,631,543.20

Finding the Fourth Proportional to 8,309,578.40, 12,462,034.80 and 2,631,543.20

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Solution

The fourth proportional to 8,309,578.40, 12,462,034.80 and 2,631,543.20 is: 3,946,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,578.40 : 12,462,034.80 = 2,631,543.20 : x
  2. Step 2: Convert to fraction form
    8,309,578.40/12,462,034.80 = 2,631,543.20/x
  3. Step 3: Cross multiply
    8,309,578.40x = 12,462,034.80 × 2,631,543.20
  4. Step 4: Simplify right side
    8,309,578.40x = 32,794,382,936,103.36
  5. Step 5: Solve for x
    x = 32,794,382,936,103.36/8,309,578.40
  6. Step 6: Final answer
    x = 3,946,576.03

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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.