Home / 7,716,279.40-10,647,486.85-4,230,700.95

Finding the Fourth Proportional to 7,716,279.40, 10,647,486.85 and 4,230,700.95

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Solution

The fourth proportional to 7,716,279.40, 10,647,486.85 and 4,230,700.95 is: 5,837,830.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,279.40 : 10,647,486.85 = 4,230,700.95 : x
  2. Step 2: Convert to fraction form
    7,716,279.40/10,647,486.85 = 4,230,700.95/x
  3. Step 3: Cross multiply
    7,716,279.40x = 10,647,486.85 × 4,230,700.95
  4. Step 4: Simplify right side
    7,716,279.40x = 45,046,332,680,902.68
  5. Step 5: Solve for x
    x = 45,046,332,680,902.68/7,716,279.40
  6. Step 6: Final answer
    x = 5,837,830.69

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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.