Home / 7,913,555.16-11,870,313.94-5,198,242.20

Finding the Fourth Proportional to 7,913,555.16, 11,870,313.94 and 5,198,242.20

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Solution

The fourth proportional to 7,913,555.16, 11,870,313.94 and 5,198,242.20 is: 7,797,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,555.16 : 11,870,313.94 = 5,198,242.20 : x
  2. Step 2: Convert to fraction form
    7,913,555.16/11,870,313.94 = 5,198,242.20/x
  3. Step 3: Cross multiply
    7,913,555.16x = 11,870,313.94 × 5,198,242.20
  4. Step 4: Simplify right side
    7,913,555.16x = 61,704,766,850,156.27
  5. Step 5: Solve for x
    x = 61,704,766,850,156.27/7,913,555.16
  6. Step 6: Final answer
    x = 7,797,350.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.