Home / 12,833,479.78-17,703,576.75-8,702,113.66

Finding the Fourth Proportional to 12,833,479.78, 17,703,576.75 and 8,702,113.66

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Solution

The fourth proportional to 12,833,479.78, 17,703,576.75 and 8,702,113.66 is: 12,004,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833,479.78 : 17,703,576.75 = 8,702,113.66 : x
  2. Step 2: Convert to fraction form
    12,833,479.78/17,703,576.75 = 8,702,113.66/x
  3. Step 3: Cross multiply
    12,833,479.78x = 17,703,576.75 × 8,702,113.66
  4. Step 4: Simplify right side
    12,833,479.78x = 154,058,537,067,033.41
  5. Step 5: Solve for x
    x = 154,058,537,067,033.41/12,833,479.78
  6. Step 6: Final answer
    x = 12,004,424.34

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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.