Home / 7,760,768.61-11,642,954.07-2,643,242.93

Finding the Fourth Proportional to 7,760,768.61, 11,642,954.07 and 2,643,242.93

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Solution

The fourth proportional to 7,760,768.61, 11,642,954.07 and 2,643,242.93 is: 3,965,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,768.61 : 11,642,954.07 = 2,643,242.93 : x
  2. Step 2: Convert to fraction form
    7,760,768.61/11,642,954.07 = 2,643,242.93/x
  3. Step 3: Cross multiply
    7,760,768.61x = 11,642,954.07 × 2,643,242.93
  4. Step 4: Simplify right side
    7,760,768.61x = 30,775,156,025,200.70
  5. Step 5: Solve for x
    x = 30,775,156,025,200.70/7,760,768.61
  6. Step 6: Final answer
    x = 3,965,477.85

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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.