Home / 7,259,967-10,019,340.18-4,162,778.54

Finding the Fourth Proportional to 7,259,967, 10,019,340.18 and 4,162,778.54

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Solution

The fourth proportional to 7,259,967, 10,019,340.18 and 4,162,778.54 is: 5,744,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259,967 : 10,019,340.18 = 4,162,778.54 : x
  2. Step 2: Convert to fraction form
    7,259,967/10,019,340.18 = 4,162,778.54/x
  3. Step 3: Cross multiply
    7,259,967x = 10,019,340.18 × 4,162,778.54
  4. Step 4: Simplify right side
    7,259,967x = 41,708,294,236,167.04
  5. Step 5: Solve for x
    x = 41,708,294,236,167.04/7,259,967
  6. Step 6: Final answer
    x = 5,744,970.22

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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.