Home / 13,162,940.80-19,744,411.20-6,785,648.80

Finding the Fourth Proportional to 13,162,940.80, 19,744,411.20 and 6,785,648.80

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Solution

The fourth proportional to 13,162,940.80, 19,744,411.20 and 6,785,648.80 is: 10,178,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,940.80 : 19,744,411.20 = 6,785,648.80 : x
  2. Step 2: Convert to fraction form
    13,162,940.80/19,744,411.20 = 6,785,648.80/x
  3. Step 3: Cross multiply
    13,162,940.80x = 19,744,411.20 × 6,785,648.80
  4. Step 4: Simplify right side
    13,162,940.80x = 133,978,640,165,986.55
  5. Step 5: Solve for x
    x = 133,978,640,165,986.55/13,162,940.80
  6. Step 6: Final answer
    x = 10,178,473.20

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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.