Home / 12,917,417.07-17,826,029.87-7,116,198.56

Finding the Fourth Proportional to 12,917,417.07, 17,826,029.87 and 7,116,198.56

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Solution

The fourth proportional to 12,917,417.07, 17,826,029.87 and 7,116,198.56 is: 9,820,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917,417.07 : 17,826,029.87 = 7,116,198.56 : x
  2. Step 2: Convert to fraction form
    12,917,417.07/17,826,029.87 = 7,116,198.56/x
  3. Step 3: Cross multiply
    12,917,417.07x = 17,826,029.87 × 7,116,198.56
  4. Step 4: Simplify right side
    12,917,417.07x = 126,853,567,966,699.83
  5. Step 5: Solve for x
    x = 126,853,567,966,699.83/12,917,417.07
  6. Step 6: Final answer
    x = 9,820,350.87

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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.