Home / 7,238,806.16-9,990,438.77-4,183,020.41

Finding the Fourth Proportional to 7,238,806.16, 9,990,438.77 and 4,183,020.41

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Solution

The fourth proportional to 7,238,806.16, 9,990,438.77 and 4,183,020.41 is: 5,773,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,806.16 : 9,990,438.77 = 4,183,020.41 : x
  2. Step 2: Convert to fraction form
    7,238,806.16/9,990,438.77 = 4,183,020.41/x
  3. Step 3: Cross multiply
    7,238,806.16x = 9,990,438.77 × 4,183,020.41
  4. Step 4: Simplify right side
    7,238,806.16x = 41,790,209,258,850.20
  5. Step 5: Solve for x
    x = 41,790,209,258,850.20/7,238,806.16
  6. Step 6: Final answer
    x = 5,773,080.30

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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.