Home / 11,016,821.52-15,205,017.48-9,178,364.52

Finding the Fourth Proportional to 11,016,821.52, 15,205,017.48 and 9,178,364.52

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Solution

The fourth proportional to 11,016,821.52, 15,205,017.48 and 9,178,364.52 is: 12,667,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016,821.52 : 15,205,017.48 = 9,178,364.52 : x
  2. Step 2: Convert to fraction form
    11,016,821.52/15,205,017.48 = 9,178,364.52/x
  3. Step 3: Cross multiply
    11,016,821.52x = 15,205,017.48 × 9,178,364.52
  4. Step 4: Simplify right side
    11,016,821.52x = 139,557,192,964,411.81
  5. Step 5: Solve for x
    x = 139,557,192,964,411.81/11,016,821.52
  6. Step 6: Final answer
    x = 12,667,645.81

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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.