Home / 12,544,596.16-17,321,293.92-9,639,407.68

Finding the Fourth Proportional to 12,544,596.16, 17,321,293.92 and 9,639,407.68

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Solution

The fourth proportional to 12,544,596.16, 17,321,293.92 and 9,639,407.68 is: 13,309,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,596.16 : 17,321,293.92 = 9,639,407.68 : x
  2. Step 2: Convert to fraction form
    12,544,596.16/17,321,293.92 = 9,639,407.68/x
  3. Step 3: Cross multiply
    12,544,596.16x = 17,321,293.92 × 9,639,407.68
  4. Step 4: Simplify right side
    12,544,596.16x = 166,967,013,639,985.31
  5. Step 5: Solve for x
    x = 166,967,013,639,985.31/12,544,596.16
  6. Step 6: Final answer
    x = 13,309,875.54

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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.