Home / 13,476,530.10-20,217,419.55-3,892,221.30

Finding the Fourth Proportional to 13,476,530.10, 20,217,419.55 and 3,892,221.30

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Solution

The fourth proportional to 13,476,530.10, 20,217,419.55 and 3,892,221.30 is: 5,839,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,530.10 : 20,217,419.55 = 3,892,221.30 : x
  2. Step 2: Convert to fraction form
    13,476,530.10/20,217,419.55 = 3,892,221.30/x
  3. Step 3: Cross multiply
    13,476,530.10x = 20,217,419.55 × 3,892,221.30
  4. Step 4: Simplify right side
    13,476,530.10x = 78,690,671,003,546.42
  5. Step 5: Solve for x
    x = 78,690,671,003,546.42/13,476,530.10
  6. Step 6: Final answer
    x = 5,839,089.92

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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.