Home / 13,012,707.72-17,957,231.04-7,211,364.90

Finding the Fourth Proportional to 13,012,707.72, 17,957,231.04 and 7,211,364.90

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Solution

The fourth proportional to 13,012,707.72, 17,957,231.04 and 7,211,364.90 is: 9,951,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,707.72 : 17,957,231.04 = 7,211,364.90 : x
  2. Step 2: Convert to fraction form
    13,012,707.72/17,957,231.04 = 7,211,364.90/x
  3. Step 3: Cross multiply
    13,012,707.72x = 17,957,231.04 × 7,211,364.90
  4. Step 4: Simplify right side
    13,012,707.72x = 129,496,145,533,260.33
  5. Step 5: Solve for x
    x = 129,496,145,533,260.33/13,012,707.72
  6. Step 6: Final answer
    x = 9,951,514.19

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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.