Home / 12,028,618.70-18,042,928.05-5,961,005.90

Finding the Fourth Proportional to 12,028,618.70, 18,042,928.05 and 5,961,005.90

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Solution

The fourth proportional to 12,028,618.70, 18,042,928.05 and 5,961,005.90 is: 8,941,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,618.70 : 18,042,928.05 = 5,961,005.90 : x
  2. Step 2: Convert to fraction form
    12,028,618.70/18,042,928.05 = 5,961,005.90/x
  3. Step 3: Cross multiply
    12,028,618.70x = 18,042,928.05 × 5,961,005.90
  4. Step 4: Simplify right side
    12,028,618.70x = 107,554,000,559,325.50
  5. Step 5: Solve for x
    x = 107,554,000,559,325.50/12,028,618.70
  6. Step 6: Final answer
    x = 8,941,508.85

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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.