Home / 7,202,790.12-9,940,168.80-4,147,988.52

Finding the Fourth Proportional to 7,202,790.12, 9,940,168.80 and 4,147,988.52

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Solution

The fourth proportional to 7,202,790.12, 9,940,168.80 and 4,147,988.52 is: 5,724,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,790.12 : 9,940,168.80 = 4,147,988.52 : x
  2. Step 2: Convert to fraction form
    7,202,790.12/9,940,168.80 = 4,147,988.52/x
  3. Step 3: Cross multiply
    7,202,790.12x = 9,940,168.80 × 4,147,988.52
  4. Step 4: Simplify right side
    7,202,790.12x = 41,231,706,069,262.18
  5. Step 5: Solve for x
    x = 41,231,706,069,262.18/7,202,790.12
  6. Step 6: Final answer
    x = 5,724,407.54

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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.