Home / 13,476,859.70-20,201,511.45-6,642,922.10

Finding the Fourth Proportional to 13,476,859.70, 20,201,511.45 and 6,642,922.10

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Solution

The fourth proportional to 13,476,859.70, 20,201,511.45 and 6,642,922.10 is: 9,957,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,859.70 : 20,201,511.45 = 6,642,922.10 : x
  2. Step 2: Convert to fraction form
    13,476,859.70/20,201,511.45 = 6,642,922.10/x
  3. Step 3: Cross multiply
    13,476,859.70x = 20,201,511.45 × 6,642,922.10
  4. Step 4: Simplify right side
    13,476,859.70x = 134,197,066,864,608.03
  5. Step 5: Solve for x
    x = 134,197,066,864,608.03/13,476,859.70
  6. Step 6: Final answer
    x = 9,957,591.74

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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.