Home / 7,040,444.87-9,714,148.67-3,984,659.12

Finding the Fourth Proportional to 7,040,444.87, 9,714,148.67 and 3,984,659.12

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Solution

The fourth proportional to 7,040,444.87, 9,714,148.67 and 3,984,659.12 is: 5,497,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040,444.87 : 9,714,148.67 = 3,984,659.12 : x
  2. Step 2: Convert to fraction form
    7,040,444.87/9,714,148.67 = 3,984,659.12/x
  3. Step 3: Cross multiply
    7,040,444.87x = 9,714,148.67 × 3,984,659.12
  4. Step 4: Simplify right side
    7,040,444.87x = 38,707,571,052,342.27
  5. Step 5: Solve for x
    x = 38,707,571,052,342.27/7,040,444.87
  6. Step 6: Final answer
    x = 5,497,887.11

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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.