Home / 8,220,369.45-11,344,131.37-4,549,539.16

Finding the Fourth Proportional to 8,220,369.45, 11,344,131.37 and 4,549,539.16

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Solution

The fourth proportional to 8,220,369.45, 11,344,131.37 and 4,549,539.16 is: 6,278,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,369.45 : 11,344,131.37 = 4,549,539.16 : x
  2. Step 2: Convert to fraction form
    8,220,369.45/11,344,131.37 = 4,549,539.16/x
  3. Step 3: Cross multiply
    8,220,369.45x = 11,344,131.37 × 4,549,539.16
  4. Step 4: Simplify right side
    8,220,369.45x = 51,610,569,847,278.79
  5. Step 5: Solve for x
    x = 51,610,569,847,278.79/8,220,369.45
  6. Step 6: Final answer
    x = 6,278,375.95

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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.