Home / 18,148,470.06-25,046,653.60-13,556,819.82

Finding the Fourth Proportional to 18,148,470.06, 25,046,653.60 and 13,556,819.82

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Solution

The fourth proportional to 18,148,470.06, 25,046,653.60 and 13,556,819.82 is: 18,709,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,470.06 : 25,046,653.60 = 13,556,819.82 : x
  2. Step 2: Convert to fraction form
    18,148,470.06/25,046,653.60 = 13,556,819.82/x
  3. Step 3: Cross multiply
    18,148,470.06x = 25,046,653.60 × 13,556,819.82
  4. Step 4: Simplify right side
    18,148,470.06x = 339,552,969,949,154.38
  5. Step 5: Solve for x
    x = 339,552,969,949,154.38/18,148,470.06
  6. Step 6: Final answer
    x = 18,709,729.74

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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.