Home / 8,178,340.12-11,288,032.62-5,083,201

Finding the Fourth Proportional to 8,178,340.12, 11,288,032.62 and 5,083,201

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Solution

The fourth proportional to 8,178,340.12, 11,288,032.62 and 5,083,201 is: 7,016,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,340.12 : 11,288,032.62 = 5,083,201 : x
  2. Step 2: Convert to fraction form
    8,178,340.12/11,288,032.62 = 5,083,201/x
  3. Step 3: Cross multiply
    8,178,340.12x = 11,288,032.62 × 5,083,201
  4. Step 4: Simplify right side
    8,178,340.12x = 57,379,338,702,016.62
  5. Step 5: Solve for x
    x = 57,379,338,702,016.62/8,178,340.12
  6. Step 6: Final answer
    x = 7,016,012.77

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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.