Home / 12,226,641.55-18,338,837.82-4,138,692.73

Finding the Fourth Proportional to 12,226,641.55, 18,338,837.82 and 4,138,692.73

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Solution

The fourth proportional to 12,226,641.55, 18,338,837.82 and 4,138,692.73 is: 6,207,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,641.55 : 18,338,837.82 = 4,138,692.73 : x
  2. Step 2: Convert to fraction form
    12,226,641.55/18,338,837.82 = 4,138,692.73/x
  3. Step 3: Cross multiply
    12,226,641.55x = 18,338,837.82 × 4,138,692.73
  4. Step 4: Simplify right side
    12,226,641.55x = 75,898,814,670,588.86
  5. Step 5: Solve for x
    x = 75,898,814,670,588.86/12,226,641.55
  6. Step 6: Final answer
    x = 6,207,658.45

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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.