Home / 7,202,933.20-9,940,905.48-4,147,742.80

Finding the Fourth Proportional to 7,202,933.20, 9,940,905.48 and 4,147,742.80

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Solution

The fourth proportional to 7,202,933.20, 9,940,905.48 and 4,147,742.80 is: 5,724,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,933.20 : 9,940,905.48 = 4,147,742.80 : x
  2. Step 2: Convert to fraction form
    7,202,933.20/9,940,905.48 = 4,147,742.80/x
  3. Step 3: Cross multiply
    7,202,933.20x = 9,940,905.48 × 4,147,742.80
  4. Step 4: Simplify right side
    7,202,933.20x = 41,232,319,130,150.55
  5. Step 5: Solve for x
    x = 41,232,319,130,150.55/7,202,933.20
  6. Step 6: Final answer
    x = 5,724,378.94

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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.