Home / 7,239,987.46-9,991,355.18-3,976,870.53

Finding the Fourth Proportional to 7,239,987.46, 9,991,355.18 and 3,976,870.53

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Solution

The fourth proportional to 7,239,987.46, 9,991,355.18 and 3,976,870.53 is: 5,488,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,987.46 : 9,991,355.18 = 3,976,870.53 : x
  2. Step 2: Convert to fraction form
    7,239,987.46/9,991,355.18 = 3,976,870.53/x
  3. Step 3: Cross multiply
    7,239,987.46x = 9,991,355.18 × 3,976,870.53
  4. Step 4: Simplify right side
    7,239,987.46x = 39,734,325,950,220.49
  5. Step 5: Solve for x
    x = 39,734,325,950,220.49/7,239,987.46
  6. Step 6: Final answer
    x = 5,488,176.08

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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.