Home / 6,909,286.77-9,534,762.47-3,811,940.66

Finding the Fourth Proportional to 6,909,286.77, 9,534,762.47 and 3,811,940.66

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Solution

The fourth proportional to 6,909,286.77, 9,534,762.47 and 3,811,940.66 is: 5,260,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,286.77 : 9,534,762.47 = 3,811,940.66 : x
  2. Step 2: Convert to fraction form
    6,909,286.77/9,534,762.47 = 3,811,940.66/x
  3. Step 3: Cross multiply
    6,909,286.77x = 9,534,762.47 × 3,811,940.66
  4. Step 4: Simplify right side
    6,909,286.77x = 36,345,948,776,201.79
  5. Step 5: Solve for x
    x = 36,345,948,776,201.79/6,909,286.77
  6. Step 6: Final answer
    x = 5,260,448.72

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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.