Home / 12,005,928.30-18,009,390.69-3,486,264.72

Finding the Fourth Proportional to 12,005,928.30, 18,009,390.69 and 3,486,264.72

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Solution

The fourth proportional to 12,005,928.30, 18,009,390.69 and 3,486,264.72 is: 5,229,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,928.30 : 18,009,390.69 = 3,486,264.72 : x
  2. Step 2: Convert to fraction form
    12,005,928.30/18,009,390.69 = 3,486,264.72/x
  3. Step 3: Cross multiply
    12,005,928.30x = 18,009,390.69 × 3,486,264.72
  4. Step 4: Simplify right side
    12,005,928.30x = 62,785,503,391,243.47
  5. Step 5: Solve for x
    x = 62,785,503,391,243.47/12,005,928.30
  6. Step 6: Final answer
    x = 5,229,541.76

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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.