Home / 7,238,806.66-9,990,439.46-4,183,020.91

Finding the Fourth Proportional to 7,238,806.66, 9,990,439.46 and 4,183,020.91

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Solution

The fourth proportional to 7,238,806.66, 9,990,439.46 and 4,183,020.91 is: 5,773,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,806.66 : 9,990,439.46 = 4,183,020.91 : x
  2. Step 2: Convert to fraction form
    7,238,806.66/9,990,439.46 = 4,183,020.91/x
  3. Step 3: Cross multiply
    7,238,806.66x = 9,990,439.46 × 4,183,020.91
  4. Step 4: Simplify right side
    7,238,806.66x = 41,790,217,161,269.12
  5. Step 5: Solve for x
    x = 41,790,217,161,269.12/7,238,806.66
  6. Step 6: Final answer
    x = 5,773,081.00

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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.