Home / 12,196,690.40-18,295,035.60-3,221,242.40

Finding the Fourth Proportional to 12,196,690.40, 18,295,035.60 and 3,221,242.40

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Solution

The fourth proportional to 12,196,690.40, 18,295,035.60 and 3,221,242.40 is: 4,831,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,690.40 : 18,295,035.60 = 3,221,242.40 : x
  2. Step 2: Convert to fraction form
    12,196,690.40/18,295,035.60 = 3,221,242.40/x
  3. Step 3: Cross multiply
    12,196,690.40x = 18,295,035.60 × 3,221,242.40
  4. Step 4: Simplify right side
    12,196,690.40x = 58,932,744,384,229.45
  5. Step 5: Solve for x
    x = 58,932,744,384,229.45/12,196,690.40
  6. Step 6: Final answer
    x = 4,831,863.60

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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.