Home / 12,384,066.40-18,576,099.60-3,286,146.40

Finding the Fourth Proportional to 12,384,066.40, 18,576,099.60 and 3,286,146.40

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Solution

The fourth proportional to 12,384,066.40, 18,576,099.60 and 3,286,146.40 is: 4,929,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,066.40 : 18,576,099.60 = 3,286,146.40 : x
  2. Step 2: Convert to fraction form
    12,384,066.40/18,576,099.60 = 3,286,146.40/x
  3. Step 3: Cross multiply
    12,384,066.40x = 18,576,099.60 × 3,286,146.40
  4. Step 4: Simplify right side
    12,384,066.40x = 61,043,782,826,581.45
  5. Step 5: Solve for x
    x = 61,043,782,826,581.45/12,384,066.40
  6. Step 6: Final answer
    x = 4,929,219.60

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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.