Home / 31,997,747.70-47,996,621.55-25,620,455.70

Finding the Fourth Proportional to 31,997,747.70, 47,996,621.55 and 25,620,455.70

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Solution

The fourth proportional to 31,997,747.70, 47,996,621.55 and 25,620,455.70 is: 38,430,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997,747.70 : 47,996,621.55 = 25,620,455.70 : x
  2. Step 2: Convert to fraction form
    31,997,747.70/47,996,621.55 = 25,620,455.70/x
  3. Step 3: Cross multiply
    31,997,747.70x = 47,996,621.55 × 25,620,455.70
  4. Step 4: Simplify right side
    31,997,747.70x = 1,229,695,316,171,440.25
  5. Step 5: Solve for x
    x = 1,229,695,316,171,440.25/31,997,747.70
  6. Step 6: Final answer
    x = 38,430,683.55

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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.