Home / 13,380,903-20,071,372.01-3,665,602.35

Finding the Fourth Proportional to 13,380,903, 20,071,372.01 and 3,665,602.35

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Solution

The fourth proportional to 13,380,903, 20,071,372.01 and 3,665,602.35 is: 5,498,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,903 : 20,071,372.01 = 3,665,602.35 : x
  2. Step 2: Convert to fraction form
    13,380,903/20,071,372.01 = 3,665,602.35/x
  3. Step 3: Cross multiply
    13,380,903x = 20,071,372.01 × 3,665,602.35
  4. Step 4: Simplify right side
    13,380,903x = 73,573,668,389,252.20
  5. Step 5: Solve for x
    x = 73,573,668,389,252.20/13,380,903
  6. Step 6: Final answer
    x = 5,498,408.32

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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.