Home / 6,997,713.10-9,656,497.80-3,900,491.56

Finding the Fourth Proportional to 6,997,713.10, 9,656,497.80 and 3,900,491.56

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Solution

The fourth proportional to 6,997,713.10, 9,656,497.80 and 3,900,491.56 is: 5,382,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997,713.10 : 9,656,497.80 = 3,900,491.56 : x
  2. Step 2: Convert to fraction form
    6,997,713.10/9,656,497.80 = 3,900,491.56/x
  3. Step 3: Cross multiply
    6,997,713.10x = 9,656,497.80 × 3,900,491.56
  4. Step 4: Simplify right side
    6,997,713.10x = 37,665,088,129,527.31
  5. Step 5: Solve for x
    x = 37,665,088,129,527.31/6,997,713.10
  6. Step 6: Final answer
    x = 5,382,485.34

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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.