Home / 13,690,952.82-18,892,765.35-7,494,801.12

Finding the Fourth Proportional to 13,690,952.82, 18,892,765.35 and 7,494,801.12

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Solution

The fourth proportional to 13,690,952.82, 18,892,765.35 and 7,494,801.12 is: 10,342,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,952.82 : 18,892,765.35 = 7,494,801.12 : x
  2. Step 2: Convert to fraction form
    13,690,952.82/18,892,765.35 = 7,494,801.12/x
  3. Step 3: Cross multiply
    13,690,952.82x = 18,892,765.35 × 7,494,801.12
  4. Step 4: Simplify right side
    13,690,952.82x = 141,597,518,905,077.22
  5. Step 5: Solve for x
    x = 141,597,518,905,077.22/13,690,952.82
  6. Step 6: Final answer
    x = 10,342,415.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.