Home / 18,124,456.97-25,011,749.23-9,864,578.48

Finding the Fourth Proportional to 18,124,456.97, 25,011,749.23 and 9,864,578.48

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Solution

The fourth proportional to 18,124,456.97, 25,011,749.23 and 9,864,578.48 is: 13,613,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,456.97 : 25,011,749.23 = 9,864,578.48 : x
  2. Step 2: Convert to fraction form
    18,124,456.97/25,011,749.23 = 9,864,578.48/x
  3. Step 3: Cross multiply
    18,124,456.97x = 25,011,749.23 × 9,864,578.48
  4. Step 4: Simplify right side
    18,124,456.97x = 246,730,363,089,562.31
  5. Step 5: Solve for x
    x = 246,730,363,089,562.31/18,124,456.97
  6. Step 6: Final answer
    x = 13,613,117.54

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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.