Home / 10,040,648.40-15,060,972.60-9,347,806.80

Finding the Fourth Proportional to 10,040,648.40, 15,060,972.60 and 9,347,806.80

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Solution

The fourth proportional to 10,040,648.40, 15,060,972.60 and 9,347,806.80 is: 14,021,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040,648.40 : 15,060,972.60 = 9,347,806.80 : x
  2. Step 2: Convert to fraction form
    10,040,648.40/15,060,972.60 = 9,347,806.80/x
  3. Step 3: Cross multiply
    10,040,648.40x = 15,060,972.60 × 9,347,806.80
  4. Step 4: Simplify right side
    10,040,648.40x = 140,787,062,084,893.69
  5. Step 5: Solve for x
    x = 140,787,062,084,893.69/10,040,648.40
  6. Step 6: Final answer
    x = 14,021,710.20

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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.