Home / 11,974,430.40-17,961,645.60-6,923,140.80

Finding the Fourth Proportional to 11,974,430.40, 17,961,645.60 and 6,923,140.80

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Solution

The fourth proportional to 11,974,430.40, 17,961,645.60 and 6,923,140.80 is: 10,384,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974,430.40 : 17,961,645.60 = 6,923,140.80 : x
  2. Step 2: Convert to fraction form
    11,974,430.40/17,961,645.60 = 6,923,140.80/x
  3. Step 3: Cross multiply
    11,974,430.40x = 17,961,645.60 × 6,923,140.80
  4. Step 4: Simplify right side
    11,974,430.40x = 124,351,001,488,500.48
  5. Step 5: Solve for x
    x = 124,351,001,488,500.48/11,974,430.40
  6. Step 6: Final answer
    x = 10,384,711.20

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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.