Home / 15,419,257.49-23,112,610.40-5,174,403.62

Finding the Fourth Proportional to 15,419,257.49, 23,112,610.40 and 5,174,403.62

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Solution

The fourth proportional to 15,419,257.49, 23,112,610.40 and 5,174,403.62 is: 7,756,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419,257.49 : 23,112,610.40 = 5,174,403.62 : x
  2. Step 2: Convert to fraction form
    15,419,257.49/23,112,610.40 = 5,174,403.62/x
  3. Step 3: Cross multiply
    15,419,257.49x = 23,112,610.40 × 5,174,403.62
  4. Step 4: Simplify right side
    15,419,257.49x = 119,593,974,818,782.61
  5. Step 5: Solve for x
    x = 119,593,974,818,782.61/15,419,257.49
  6. Step 6: Final answer
    x = 7,756,143.57

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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.