Home / 12,643,895.07-17,448,574.97-6,842,676.83

Finding the Fourth Proportional to 12,643,895.07, 17,448,574.97 and 6,842,676.83

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Solution

The fourth proportional to 12,643,895.07, 17,448,574.97 and 6,842,676.83 is: 9,442,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,895.07 : 17,448,574.97 = 6,842,676.83 : x
  2. Step 2: Convert to fraction form
    12,643,895.07/17,448,574.97 = 6,842,676.83/x
  3. Step 3: Cross multiply
    12,643,895.07x = 17,448,574.97 × 6,842,676.83
  4. Step 4: Simplify right side
    12,643,895.07x = 119,394,959,593,600.77
  5. Step 5: Solve for x
    x = 119,394,959,593,600.77/12,643,895.07
  6. Step 6: Final answer
    x = 9,442,893.90

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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.