Home / 15,974,171.80-23,961,257.70-13,139,819.80

Finding the Fourth Proportional to 15,974,171.80, 23,961,257.70 and 13,139,819.80

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Solution

The fourth proportional to 15,974,171.80, 23,961,257.70 and 13,139,819.80 is: 19,709,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974,171.80 : 23,961,257.70 = 13,139,819.80 : x
  2. Step 2: Convert to fraction form
    15,974,171.80/23,961,257.70 = 13,139,819.80/x
  3. Step 3: Cross multiply
    15,974,171.80x = 23,961,257.70 × 13,139,819.80
  4. Step 4: Simplify right side
    15,974,171.80x = 314,846,608,359,362.44
  5. Step 5: Solve for x
    x = 314,846,608,359,362.44/15,974,171.80
  6. Step 6: Final answer
    x = 19,709,729.70

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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.