Home / 7,766,915-11,651,569.60-2,648,147.80

Finding the Fourth Proportional to 7,766,915, 11,651,569.60 and 2,648,147.80

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Solution

The fourth proportional to 7,766,915, 11,651,569.60 and 2,648,147.80 is: 3,972,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,915 : 11,651,569.60 = 2,648,147.80 : x
  2. Step 2: Convert to fraction form
    7,766,915/11,651,569.60 = 2,648,147.80/x
  3. Step 3: Cross multiply
    7,766,915x = 11,651,569.60 × 2,648,147.80
  4. Step 4: Simplify right side
    7,766,915x = 30,855,078,402,786.88
  5. Step 5: Solve for x
    x = 30,855,078,402,786.88/7,766,915
  6. Step 6: Final answer
    x = 3,972,629.85

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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.