Home / 12,005,923.68-18,009,383.47-3,486,260.12

Finding the Fourth Proportional to 12,005,923.68, 18,009,383.47 and 3,486,260.12

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Solution

The fourth proportional to 12,005,923.68, 18,009,383.47 and 3,486,260.12 is: 5,229,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,923.68 : 18,009,383.47 = 3,486,260.12 : x
  2. Step 2: Convert to fraction form
    12,005,923.68/18,009,383.47 = 3,486,260.12/x
  3. Step 3: Cross multiply
    12,005,923.68x = 18,009,383.47 × 3,486,260.12
  4. Step 4: Simplify right side
    12,005,923.68x = 62,785,395,278,485.66
  5. Step 5: Solve for x
    x = 62,785,395,278,485.66/12,005,923.68
  6. Step 6: Final answer
    x = 5,229,534.77

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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.