Home / 13,445,709.12-18,555,734.64-7,567,179.36

Finding the Fourth Proportional to 13,445,709.12, 18,555,734.64 and 7,567,179.36

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Solution

The fourth proportional to 13,445,709.12, 18,555,734.64 and 7,567,179.36 is: 10,443,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,709.12 : 18,555,734.64 = 7,567,179.36 : x
  2. Step 2: Convert to fraction form
    13,445,709.12/18,555,734.64 = 7,567,179.36/x
  3. Step 3: Cross multiply
    13,445,709.12x = 18,555,734.64 × 7,567,179.36
  4. Step 4: Simplify right side
    13,445,709.12x = 140,414,572,177,445.05
  5. Step 5: Solve for x
    x = 140,414,572,177,445.05/13,445,709.12
  6. Step 6: Final answer
    x = 10,443,076.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.