Home / 12,452,806.88-18,681,916.74-3,816,939.84

Finding the Fourth Proportional to 12,452,806.88, 18,681,916.74 and 3,816,939.84

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Solution

The fourth proportional to 12,452,806.88, 18,681,916.74 and 3,816,939.84 is: 5,726,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,806.88 : 18,681,916.74 = 3,816,939.84 : x
  2. Step 2: Convert to fraction form
    12,452,806.88/18,681,916.74 = 3,816,939.84/x
  3. Step 3: Cross multiply
    12,452,806.88x = 18,681,916.74 × 3,816,939.84
  4. Step 4: Simplify right side
    12,452,806.88x = 71,307,752,292,468.91
  5. Step 5: Solve for x
    x = 71,307,752,292,468.91/12,452,806.88
  6. Step 6: Final answer
    x = 5,726,239.31

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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.