Home / 13,052,101.29-18,013,560.48-7,895,499.74

Finding the Fourth Proportional to 13,052,101.29, 18,013,560.48 and 7,895,499.74

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Solution

The fourth proportional to 13,052,101.29, 18,013,560.48 and 7,895,499.74 is: 10,896,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,101.29 : 18,013,560.48 = 7,895,499.74 : x
  2. Step 2: Convert to fraction form
    13,052,101.29/18,013,560.48 = 7,895,499.74/x
  3. Step 3: Cross multiply
    13,052,101.29x = 18,013,560.48 × 7,895,499.74
  4. Step 4: Simplify right side
    13,052,101.29x = 142,226,062,046,836.78
  5. Step 5: Solve for x
    x = 142,226,062,046,836.78/13,052,101.29
  6. Step 6: Final answer
    x = 10,896,794.23

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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.