Home / 11,278,375.84-15,563,739.90-6,121,626.40

Finding the Fourth Proportional to 11,278,375.84, 15,563,739.90 and 6,121,626.40

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Solution

The fourth proportional to 11,278,375.84, 15,563,739.90 and 6,121,626.40 is: 8,447,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,375.84 : 15,563,739.90 = 6,121,626.40 : x
  2. Step 2: Convert to fraction form
    11,278,375.84/15,563,739.90 = 6,121,626.40/x
  3. Step 3: Cross multiply
    11,278,375.84x = 15,563,739.90 × 6,121,626.40
  4. Step 4: Simplify right side
    11,278,375.84x = 95,275,401,054,573.38
  5. Step 5: Solve for x
    x = 95,275,401,054,573.38/11,278,375.84
  6. Step 6: Final answer
    x = 8,447,617.14

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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.