Home / 12,404,998.20-18,613,026.90-5,669,945.40

Finding the Fourth Proportional to 12,404,998.20, 18,613,026.90 and 5,669,945.40

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Solution

The fourth proportional to 12,404,998.20, 18,613,026.90 and 5,669,945.40 is: 8,507,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404,998.20 : 18,613,026.90 = 5,669,945.40 : x
  2. Step 2: Convert to fraction form
    12,404,998.20/18,613,026.90 = 5,669,945.40/x
  3. Step 3: Cross multiply
    12,404,998.20x = 18,613,026.90 × 5,669,945.40
  4. Step 4: Simplify right side
    12,404,998.20x = 105,534,846,251,731.27
  5. Step 5: Solve for x
    x = 105,534,846,251,731.27/12,404,998.20
  6. Step 6: Final answer
    x = 8,507,445.51

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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.