Home / 13,016,233.57-17,962,013.51-7,135,666.78

Finding the Fourth Proportional to 13,016,233.57, 17,962,013.51 and 7,135,666.78

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Solution

The fourth proportional to 13,016,233.57, 17,962,013.51 and 7,135,666.78 is: 9,847,006.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,233.57 : 17,962,013.51 = 7,135,666.78 : x
  2. Step 2: Convert to fraction form
    13,016,233.57/17,962,013.51 = 7,135,666.78/x
  3. Step 3: Cross multiply
    13,016,233.57x = 17,962,013.51 × 7,135,666.78
  4. Step 4: Simplify right side
    13,016,233.57x = 128,170,942,979,729.80
  5. Step 5: Solve for x
    x = 128,170,942,979,729.80/13,016,233.57
  6. Step 6: Final answer
    x = 9,847,006.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.