Home / 18,805,601.40-28,217,733.30-7,446,420.60

Finding the Fourth Proportional to 18,805,601.40, 28,217,733.30 and 7,446,420.60

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Solution

The fourth proportional to 18,805,601.40, 28,217,733.30 and 7,446,420.60 is: 11,173,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,601.40 : 28,217,733.30 = 7,446,420.60 : x
  2. Step 2: Convert to fraction form
    18,805,601.40/28,217,733.30 = 7,446,420.60/x
  3. Step 3: Cross multiply
    18,805,601.40x = 28,217,733.30 × 7,446,420.60
  4. Step 4: Simplify right side
    18,805,601.40x = 210,121,110,530,425.97
  5. Step 5: Solve for x
    x = 210,121,110,530,425.97/18,805,601.40
  6. Step 6: Final answer
    x = 11,173,325.76

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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.