Home / 12,005,930.30-18,009,393.70-3,486,266.72

Finding the Fourth Proportional to 12,005,930.30, 18,009,393.70 and 3,486,266.72

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Solution

The fourth proportional to 12,005,930.30, 18,009,393.70 and 3,486,266.72 is: 5,229,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,930.30 : 18,009,393.70 = 3,486,266.72 : x
  2. Step 2: Convert to fraction form
    12,005,930.30/18,009,393.70 = 3,486,266.72/x
  3. Step 3: Cross multiply
    12,005,930.30x = 18,009,393.70 × 3,486,266.72
  4. Step 4: Simplify right side
    12,005,930.30x = 62,785,549,903,687.66
  5. Step 5: Solve for x
    x = 62,785,549,903,687.66/12,005,930.30
  6. Step 6: Final answer
    x = 5,229,544.76

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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.