Home / 12,083,345.51-16,673,760.15-6,854,687.78

Finding the Fourth Proportional to 12,083,345.51, 16,673,760.15 and 6,854,687.78

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Solution

The fourth proportional to 12,083,345.51, 16,673,760.15 and 6,854,687.78 is: 9,458,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,345.51 : 16,673,760.15 = 6,854,687.78 : x
  2. Step 2: Convert to fraction form
    12,083,345.51/16,673,760.15 = 6,854,687.78/x
  3. Step 3: Cross multiply
    12,083,345.51x = 16,673,760.15 × 6,854,687.78
  4. Step 4: Simplify right side
    12,083,345.51x = 114,293,419,863,487.17
  5. Step 5: Solve for x
    x = 114,293,419,863,487.17/12,083,345.51
  6. Step 6: Final answer
    x = 9,458,756.25

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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.