Home / 12,595,516.20-18,893,274.30-5,405,826.60

Finding the Fourth Proportional to 12,595,516.20, 18,893,274.30 and 5,405,826.60

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Solution

The fourth proportional to 12,595,516.20, 18,893,274.30 and 5,405,826.60 is: 8,108,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,516.20 : 18,893,274.30 = 5,405,826.60 : x
  2. Step 2: Convert to fraction form
    12,595,516.20/18,893,274.30 = 5,405,826.60/x
  3. Step 3: Cross multiply
    12,595,516.20x = 18,893,274.30 × 5,405,826.60
  4. Step 4: Simplify right side
    12,595,516.20x = 102,133,764,772,036.38
  5. Step 5: Solve for x
    x = 102,133,764,772,036.38/12,595,516.20
  6. Step 6: Final answer
    x = 8,108,739.90

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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.