Home / 15,431,291.13-23,147,014.05-3,916,761.83

Finding the Fourth Proportional to 15,431,291.13, 23,147,014.05 and 3,916,761.83

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Solution

The fourth proportional to 15,431,291.13, 23,147,014.05 and 3,916,761.83 is: 5,875,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,291.13 : 23,147,014.05 = 3,916,761.83 : x
  2. Step 2: Convert to fraction form
    15,431,291.13/23,147,014.05 = 3,916,761.83/x
  3. Step 3: Cross multiply
    15,431,291.13x = 23,147,014.05 × 3,916,761.83
  4. Step 4: Simplify right side
    15,431,291.13x = 90,661,340,993,778.66
  5. Step 5: Solve for x
    x = 90,661,340,993,778.66/15,431,291.13
  6. Step 6: Final answer
    x = 5,875,162.37

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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.