Home / 7,040,438.96-9,714,140.52-3,984,653.21

Finding the Fourth Proportional to 7,040,438.96, 9,714,140.52 and 3,984,653.21

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Solution

The fourth proportional to 7,040,438.96, 9,714,140.52 and 3,984,653.21 is: 5,497,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040,438.96 : 9,714,140.52 = 3,984,653.21 : x
  2. Step 2: Convert to fraction form
    7,040,438.96/9,714,140.52 = 3,984,653.21/x
  3. Step 3: Cross multiply
    7,040,438.96x = 9,714,140.52 × 3,984,653.21
  4. Step 4: Simplify right side
    7,040,438.96x = 38,707,481,205,409.07
  5. Step 5: Solve for x
    x = 38,707,481,205,409.07/7,040,438.96
  6. Step 6: Final answer
    x = 5,497,878.96

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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.