Home / 13,562,803.52-20,343,974.88-7,171,691.84

Finding the Fourth Proportional to 13,562,803.52, 20,343,974.88 and 7,171,691.84

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Solution

The fourth proportional to 13,562,803.52, 20,343,974.88 and 7,171,691.84 is: 10,757,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562,803.52 : 20,343,974.88 = 7,171,691.84 : x
  2. Step 2: Convert to fraction form
    13,562,803.52/20,343,974.88 = 7,171,691.84/x
  3. Step 3: Cross multiply
    13,562,803.52x = 20,343,974.88 × 7,171,691.84
  4. Step 4: Simplify right side
    13,562,803.52x = 145,900,718,640,060.97
  5. Step 5: Solve for x
    x = 145,900,718,640,060.97/13,562,803.52
  6. Step 6: Final answer
    x = 10,757,415.93

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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.