Home / 12,117,633.60-18,176,450.40-8,291,258.40

Finding the Fourth Proportional to 12,117,633.60, 18,176,450.40 and 8,291,258.40

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Solution

The fourth proportional to 12,117,633.60, 18,176,450.40 and 8,291,258.40 is: 12,436,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,633.60 : 18,176,450.40 = 8,291,258.40 : x
  2. Step 2: Convert to fraction form
    12,117,633.60/18,176,450.40 = 8,291,258.40/x
  3. Step 3: Cross multiply
    12,117,633.60x = 18,176,450.40 × 8,291,258.40
  4. Step 4: Simplify right side
    12,117,633.60x = 150,705,647,061,183.34
  5. Step 5: Solve for x
    x = 150,705,647,061,183.34/12,117,633.60
  6. Step 6: Final answer
    x = 12,436,887.60

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1.5x scale

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.