Home / 21,193,408.93-31,794,854.06-7,730,236.93

Finding the Fourth Proportional to 21,193,408.93, 31,794,854.06 and 7,730,236.93

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Solution

The fourth proportional to 21,193,408.93, 31,794,854.06 and 7,730,236.93 is: 11,597,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193,408.93 : 31,794,854.06 = 7,730,236.93 : x
  2. Step 2: Convert to fraction form
    21,193,408.93/31,794,854.06 = 7,730,236.93/x
  3. Step 3: Cross multiply
    21,193,408.93x = 31,794,854.06 × 7,730,236.93
  4. Step 4: Simplify right side
    21,193,408.93x = 245,781,755,038,572.41
  5. Step 5: Solve for x
    x = 245,781,755,038,572.41/21,193,408.93
  6. Step 6: Final answer
    x = 11,597,084.54

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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.