Home / 12,609,836.08-18,917,410.88-4,089,508.16

Finding the Fourth Proportional to 12,609,836.08, 18,917,410.88 and 4,089,508.16

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Solution

The fourth proportional to 12,609,836.08, 18,917,410.88 and 4,089,508.16 is: 6,135,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,836.08 : 18,917,410.88 = 4,089,508.16 : x
  2. Step 2: Convert to fraction form
    12,609,836.08/18,917,410.88 = 4,089,508.16/x
  3. Step 3: Cross multiply
    12,609,836.08x = 18,917,410.88 × 4,089,508.16
  4. Step 4: Simplify right side
    12,609,836.08x = 77,362,906,159,832.78
  5. Step 5: Solve for x
    x = 77,362,906,159,832.78/12,609,836.08
  6. Step 6: Final answer
    x = 6,135,123.86

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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.