Home / 7,718,000.87-11,578,747.94-2,600,291.72

Finding the Fourth Proportional to 7,718,000.87, 11,578,747.94 and 2,600,291.72

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Solution

The fourth proportional to 7,718,000.87, 11,578,747.94 and 2,600,291.72 is: 3,901,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,000.87 : 11,578,747.94 = 2,600,291.72 : x
  2. Step 2: Convert to fraction form
    7,718,000.87/11,578,747.94 = 2,600,291.72/x
  3. Step 3: Cross multiply
    7,718,000.87x = 11,578,747.94 × 2,600,291.72
  4. Step 4: Simplify right side
    7,718,000.87x = 30,108,122,325,453.86
  5. Step 5: Solve for x
    x = 30,108,122,325,453.86/7,718,000.87
  6. Step 6: Final answer
    x = 3,901,026.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.