Home / 18,301,234.48-25,255,468.92-9,928,481.20

Finding the Fourth Proportional to 18,301,234.48, 25,255,468.92 and 9,928,481.20

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Solution

The fourth proportional to 18,301,234.48, 25,255,468.92 and 9,928,481.20 is: 13,701,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301,234.48 : 25,255,468.92 = 9,928,481.20 : x
  2. Step 2: Convert to fraction form
    18,301,234.48/25,255,468.92 = 9,928,481.20/x
  3. Step 3: Cross multiply
    18,301,234.48x = 25,255,468.92 × 9,928,481.20
  4. Step 4: Simplify right side
    18,301,234.48x = 250,748,448,369,404.31
  5. Step 5: Solve for x
    x = 250,748,448,369,404.31/18,301,234.48
  6. Step 6: Final answer
    x = 13,701,176.75

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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.