Home / 18,809,340.29-25,930,650.84-12,615,493.85

Finding the Fourth Proportional to 18,809,340.29, 25,930,650.84 and 12,615,493.85

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Solution

The fourth proportional to 18,809,340.29, 25,930,650.84 and 12,615,493.85 is: 17,391,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,340.29 : 25,930,650.84 = 12,615,493.85 : x
  2. Step 2: Convert to fraction form
    18,809,340.29/25,930,650.84 = 12,615,493.85/x
  3. Step 3: Cross multiply
    18,809,340.29x = 25,930,650.84 × 12,615,493.85
  4. Step 4: Simplify right side
    18,809,340.29x = 327,127,966,166,104.06
  5. Step 5: Solve for x
    x = 327,127,966,166,104.06/18,809,340.29
  6. Step 6: Final answer
    x = 17,391,783.08

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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.