Home / 7,766,172.09-11,648,470.82-2,085,658.29

Finding the Fourth Proportional to 7,766,172.09, 11,648,470.82 and 2,085,658.29

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Solution

The fourth proportional to 7,766,172.09, 11,648,470.82 and 2,085,658.29 is: 3,128,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,172.09 : 11,648,470.82 = 2,085,658.29 : x
  2. Step 2: Convert to fraction form
    7,766,172.09/11,648,470.82 = 2,085,658.29/x
  3. Step 3: Cross multiply
    7,766,172.09x = 11,648,470.82 × 2,085,658.29
  4. Step 4: Simplify right side
    7,766,172.09x = 24,294,729,721,127.80
  5. Step 5: Solve for x
    x = 24,294,729,721,127.80/7,766,172.09
  6. Step 6: Final answer
    x = 3,128,275.99

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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.