Home / 7,027,895.12-9,678,380.64-6,589,964.78

Finding the Fourth Proportional to 7,027,895.12, 9,678,380.64 and 6,589,964.78

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Solution

The fourth proportional to 7,027,895.12, 9,678,380.64 and 6,589,964.78 is: 9,075,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027,895.12 : 9,678,380.64 = 6,589,964.78 : x
  2. Step 2: Convert to fraction form
    7,027,895.12/9,678,380.64 = 6,589,964.78/x
  3. Step 3: Cross multiply
    7,027,895.12x = 9,678,380.64 × 6,589,964.78
  4. Step 4: Simplify right side
    7,027,895.12x = 63,780,187,545,033.87
  5. Step 5: Solve for x
    x = 63,780,187,545,033.87/7,027,895.12
  6. Step 6: Final answer
    x = 9,075,290.18

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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.