Home / 18,429,776.66-25,391,556.60-12,842,757.02

Finding the Fourth Proportional to 18,429,776.66, 25,391,556.60 and 12,842,757.02

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Solution

The fourth proportional to 18,429,776.66, 25,391,556.60 and 12,842,757.02 is: 17,694,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,776.66 : 25,391,556.60 = 12,842,757.02 : x
  2. Step 2: Convert to fraction form
    18,429,776.66/25,391,556.60 = 12,842,757.02/x
  3. Step 3: Cross multiply
    18,429,776.66x = 25,391,556.60 × 12,842,757.02
  4. Step 4: Simplify right side
    18,429,776.66x = 326,097,591,773,377.31
  5. Step 5: Solve for x
    x = 326,097,591,773,377.31/18,429,776.66
  6. Step 6: Final answer
    x = 17,694,060.96

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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.