Home / 31,997,745.70-47,996,618.55-25,620,453.70

Finding the Fourth Proportional to 31,997,745.70, 47,996,618.55 and 25,620,453.70

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Solution

The fourth proportional to 31,997,745.70, 47,996,618.55 and 25,620,453.70 is: 38,430,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997,745.70 : 47,996,618.55 = 25,620,453.70 : x
  2. Step 2: Convert to fraction form
    31,997,745.70/47,996,618.55 = 25,620,453.70/x
  3. Step 3: Cross multiply
    31,997,745.70x = 47,996,618.55 × 25,620,453.70
  4. Step 4: Simplify right side
    31,997,745.70x = 1,229,695,143,316,836
  5. Step 5: Solve for x
    x = 1,229,695,143,316,836/31,997,745.70
  6. Step 6: Final answer
    x = 38,430,680.55

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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.