Home / 10,754,121.40-16,131,182.10-8,066,735.80

Finding the Fourth Proportional to 10,754,121.40, 16,131,182.10 and 8,066,735.80

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Solution

The fourth proportional to 10,754,121.40, 16,131,182.10 and 8,066,735.80 is: 12,100,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,121.40 : 16,131,182.10 = 8,066,735.80 : x
  2. Step 2: Convert to fraction form
    10,754,121.40/16,131,182.10 = 8,066,735.80/x
  3. Step 3: Cross multiply
    10,754,121.40x = 16,131,182.10 × 8,066,735.80
  4. Step 4: Simplify right side
    10,754,121.40x = 130,125,984,142,389.17
  5. Step 5: Solve for x
    x = 130,125,984,142,389.17/10,754,121.40
  6. Step 6: Final answer
    x = 12,100,103.70

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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.