Home / 12,027,178.40-18,043,421.12-3,508,181.60

Finding the Fourth Proportional to 12,027,178.40, 18,043,421.12 and 3,508,181.60

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Solution

The fourth proportional to 12,027,178.40, 18,043,421.12 and 3,508,181.60 is: 5,263,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027,178.40 : 18,043,421.12 = 3,508,181.60 : x
  2. Step 2: Convert to fraction form
    12,027,178.40/18,043,421.12 = 3,508,181.60/x
  3. Step 3: Cross multiply
    12,027,178.40x = 18,043,421.12 × 3,508,181.60
  4. Step 4: Simplify right side
    12,027,178.40x = 63,299,597,974,235.40
  5. Step 5: Solve for x
    x = 63,299,597,974,235.40/12,027,178.40
  6. Step 6: Final answer
    x = 5,263,046.40

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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.