Home / 13,338,622.15-18,407,310.87-7,227,050.65

Finding the Fourth Proportional to 13,338,622.15, 18,407,310.87 and 7,227,050.65

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Solution

The fourth proportional to 13,338,622.15, 18,407,310.87 and 7,227,050.65 is: 9,973,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,622.15 : 18,407,310.87 = 7,227,050.65 : x
  2. Step 2: Convert to fraction form
    13,338,622.15/18,407,310.87 = 7,227,050.65/x
  3. Step 3: Cross multiply
    13,338,622.15x = 18,407,310.87 × 7,227,050.65
  4. Step 4: Simplify right side
    13,338,622.15x = 133,030,567,951,650.31
  5. Step 5: Solve for x
    x = 133,030,567,951,650.31/13,338,622.15
  6. Step 6: Final answer
    x = 9,973,336.56

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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.