Home / 12,777,758.06-17,633,065.07-7,815,834.32

Finding the Fourth Proportional to 12,777,758.06, 17,633,065.07 and 7,815,834.32

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Solution

The fourth proportional to 12,777,758.06, 17,633,065.07 and 7,815,834.32 is: 10,785,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,758.06 : 17,633,065.07 = 7,815,834.32 : x
  2. Step 2: Convert to fraction form
    12,777,758.06/17,633,065.07 = 7,815,834.32/x
  3. Step 3: Cross multiply
    12,777,758.06x = 17,633,065.07 × 7,815,834.32
  4. Step 4: Simplify right side
    12,777,758.06x = 137,817,115,140,899.20
  5. Step 5: Solve for x
    x = 137,817,115,140,899.20/12,777,758.06
  6. Step 6: Final answer
    x = 10,785,703.92

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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.