Home / 7,122,693.38-10,682,866.31-2,005,477.86

Finding the Fourth Proportional to 7,122,693.38, 10,682,866.31 and 2,005,477.86

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Solution

The fourth proportional to 7,122,693.38, 10,682,866.31 and 2,005,477.86 is: 3,007,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,693.38 : 10,682,866.31 = 2,005,477.86 : x
  2. Step 2: Convert to fraction form
    7,122,693.38/10,682,866.31 = 2,005,477.86/x
  3. Step 3: Cross multiply
    7,122,693.38x = 10,682,866.31 × 2,005,477.86
  4. Step 4: Simplify right side
    7,122,693.38x = 21,424,251,866,044.90
  5. Step 5: Solve for x
    x = 21,424,251,866,044.90/7,122,693.38
  6. Step 6: Final answer
    x = 3,007,886.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.