Home / 21,024,747.20-31,531,215.90-6,652,220.60

Finding the Fourth Proportional to 21,024,747.20, 31,531,215.90 and 6,652,220.60

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Solution

The fourth proportional to 21,024,747.20, 31,531,215.90 and 6,652,220.60 is: 9,976,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024,747.20 : 31,531,215.90 = 6,652,220.60 : x
  2. Step 2: Convert to fraction form
    21,024,747.20/31,531,215.90 = 6,652,220.60/x
  3. Step 3: Cross multiply
    21,024,747.20x = 31,531,215.90 × 6,652,220.60
  4. Step 4: Simplify right side
    21,024,747.20x = 209,752,603,953,027.53
  5. Step 5: Solve for x
    x = 209,752,603,953,027.53/21,024,747.20
  6. Step 6: Final answer
    x = 9,976,462.59

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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.