Home / 11,430,820-15,774,735.18-6,274,661.32

Finding the Fourth Proportional to 11,430,820, 15,774,735.18 and 6,274,661.32

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Solution

The fourth proportional to 11,430,820, 15,774,735.18 and 6,274,661.32 is: 8,659,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430,820 : 15,774,735.18 = 6,274,661.32 : x
  2. Step 2: Convert to fraction form
    11,430,820/15,774,735.18 = 6,274,661.32/x
  3. Step 3: Cross multiply
    11,430,820x = 15,774,735.18 × 6,274,661.32
  4. Step 4: Simplify right side
    11,430,820x = 98,981,120,667,189.23
  5. Step 5: Solve for x
    x = 98,981,120,667,189.23/11,430,820
  6. Step 6: Final answer
    x = 8,659,144.37

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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.