Home / 11,897,200.78-16,418,235.48-6,464,692.78

Finding the Fourth Proportional to 11,897,200.78, 16,418,235.48 and 6,464,692.78

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Solution

The fourth proportional to 11,897,200.78, 16,418,235.48 and 6,464,692.78 is: 8,921,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897,200.78 : 16,418,235.48 = 6,464,692.78 : x
  2. Step 2: Convert to fraction form
    11,897,200.78/16,418,235.48 = 6,464,692.78/x
  3. Step 3: Cross multiply
    11,897,200.78x = 16,418,235.48 × 6,464,692.78
  4. Step 4: Simplify right side
    11,897,200.78x = 106,138,848,367,895.84
  5. Step 5: Solve for x
    x = 106,138,848,367,895.84/11,897,200.78
  6. Step 6: Final answer
    x = 8,921,329.51

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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.