Home / 20,106,149.52-27,746,181-10,938,582.48

Finding the Fourth Proportional to 20,106,149.52, 27,746,181 and 10,938,582.48

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Solution

The fourth proportional to 20,106,149.52, 27,746,181 and 10,938,582.48 is: 15,095,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106,149.52 : 27,746,181 = 10,938,582.48 : x
  2. Step 2: Convert to fraction form
    20,106,149.52/27,746,181 = 10,938,582.48/x
  3. Step 3: Cross multiply
    20,106,149.52x = 27,746,181 × 10,938,582.48
  4. Step 4: Simplify right side
    20,106,149.52x = 303,503,889,373,508.88
  5. Step 5: Solve for x
    x = 303,503,889,373,508.88/20,106,149.52
  6. Step 6: Final answer
    x = 15,095,077.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.