Home / 15,974,167.80-23,961,251.70-13,139,815.80

Finding the Fourth Proportional to 15,974,167.80, 23,961,251.70 and 13,139,815.80

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Solution

The fourth proportional to 15,974,167.80, 23,961,251.70 and 13,139,815.80 is: 19,709,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974,167.80 : 23,961,251.70 = 13,139,815.80 : x
  2. Step 2: Convert to fraction form
    15,974,167.80/23,961,251.70 = 13,139,815.80/x
  3. Step 3: Cross multiply
    15,974,167.80x = 23,961,251.70 × 13,139,815.80
  4. Step 4: Simplify right side
    15,974,167.80x = 314,846,433,675,436.88
  5. Step 5: Solve for x
    x = 314,846,433,675,436.88/15,974,167.80
  6. Step 6: Final answer
    x = 19,709,723.70

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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.