Home / 12,429,436.60-18,612,662.10-9,910,012.60

Finding the Fourth Proportional to 12,429,436.60, 18,612,662.10 and 9,910,012.60

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Solution

The fourth proportional to 12,429,436.60, 18,612,662.10 and 9,910,012.60 is: 14,839,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,436.60 : 18,612,662.10 = 9,910,012.60 : x
  2. Step 2: Convert to fraction form
    12,429,436.60/18,612,662.10 = 9,910,012.60/x
  3. Step 3: Cross multiply
    12,429,436.60x = 18,612,662.10 × 9,910,012.60
  4. Step 4: Simplify right side
    12,429,436.60x = 184,451,715,930,542.47
  5. Step 5: Solve for x
    x = 184,451,715,930,542.47/12,429,436.60
  6. Step 6: Final answer
    x = 14,839,909.63

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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.