Home / 9,121,157.70-13,672,712.55-4,320,408.90

Finding the Fourth Proportional to 9,121,157.70, 13,672,712.55 and 4,320,408.90

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Solution

The fourth proportional to 9,121,157.70, 13,672,712.55 and 4,320,408.90 is: 6,476,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,157.70 : 13,672,712.55 = 4,320,408.90 : x
  2. Step 2: Convert to fraction form
    9,121,157.70/13,672,712.55 = 4,320,408.90/x
  3. Step 3: Cross multiply
    9,121,157.70x = 13,672,712.55 × 4,320,408.90
  4. Step 4: Simplify right side
    9,121,157.70x = 59,071,708,988,161.70
  5. Step 5: Solve for x
    x = 59,071,708,988,161.70/9,121,157.70
  6. Step 6: Final answer
    x = 6,476,338.96

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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.