Home / 9,902,408.16-13,665,372.24-5,551,677.84

Finding the Fourth Proportional to 9,902,408.16, 13,665,372.24 and 5,551,677.84

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Solution

The fourth proportional to 9,902,408.16, 13,665,372.24 and 5,551,677.84 is: 7,661,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902,408.16 : 13,665,372.24 = 5,551,677.84 : x
  2. Step 2: Convert to fraction form
    9,902,408.16/13,665,372.24 = 5,551,677.84/x
  3. Step 3: Cross multiply
    9,902,408.16x = 13,665,372.24 × 5,551,677.84
  4. Step 4: Simplify right side
    9,902,408.16x = 75,865,744,240,159.16
  5. Step 5: Solve for x
    x = 75,865,744,240,159.16/9,902,408.16
  6. Step 6: Final answer
    x = 7,661,342.88

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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.