Home / 18,338,819.96-25,308,141.23-10,078,732.37

Finding the Fourth Proportional to 18,338,819.96, 25,308,141.23 and 10,078,732.37

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Solution

The fourth proportional to 18,338,819.96, 25,308,141.23 and 10,078,732.37 is: 13,908,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,819.96 : 25,308,141.23 = 10,078,732.37 : x
  2. Step 2: Convert to fraction form
    18,338,819.96/25,308,141.23 = 10,078,732.37/x
  3. Step 3: Cross multiply
    18,338,819.96x = 25,308,141.23 × 10,078,732.37
  4. Step 4: Simplify right side
    18,338,819.96x = 255,073,982,252,209.34
  5. Step 5: Solve for x
    x = 255,073,982,252,209.34/18,338,819.96
  6. Step 6: Final answer
    x = 13,908,963.76

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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.