Home / 18,043,388.40-27,065,082.60-8,477,450.40

Finding the Fourth Proportional to 18,043,388.40, 27,065,082.60 and 8,477,450.40

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Solution

The fourth proportional to 18,043,388.40, 27,065,082.60 and 8,477,450.40 is: 12,716,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,388.40 : 27,065,082.60 = 8,477,450.40 : x
  2. Step 2: Convert to fraction form
    18,043,388.40/27,065,082.60 = 8,477,450.40/x
  3. Step 3: Cross multiply
    18,043,388.40x = 27,065,082.60 × 8,477,450.40
  4. Step 4: Simplify right side
    18,043,388.40x = 229,442,895,313,403.06
  5. Step 5: Solve for x
    x = 229,442,895,313,403.06/18,043,388.40
  6. Step 6: Final answer
    x = 12,716,175.60

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Double scale
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Similar ratio
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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.