Home / 13,743,079.80-20,614,619.70-8,641,246.20

Finding the Fourth Proportional to 13,743,079.80, 20,614,619.70 and 8,641,246.20

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Solution

The fourth proportional to 13,743,079.80, 20,614,619.70 and 8,641,246.20 is: 12,961,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,079.80 : 20,614,619.70 = 8,641,246.20 : x
  2. Step 2: Convert to fraction form
    13,743,079.80/20,614,619.70 = 8,641,246.20/x
  3. Step 3: Cross multiply
    13,743,079.80x = 20,614,619.70 × 8,641,246.20
  4. Step 4: Simplify right side
    13,743,079.80x = 178,136,004,147,070.12
  5. Step 5: Solve for x
    x = 178,136,004,147,070.12/13,743,079.80
  6. Step 6: Final answer
    x = 12,961,869.30

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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.