Home / 28,729,000.70-43,093,501.05-17,979,458.30

Finding the Fourth Proportional to 28,729,000.70, 43,093,501.05 and 17,979,458.30

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Solution

The fourth proportional to 28,729,000.70, 43,093,501.05 and 17,979,458.30 is: 26,969,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729,000.70 : 43,093,501.05 = 17,979,458.30 : x
  2. Step 2: Convert to fraction form
    28,729,000.70/43,093,501.05 = 17,979,458.30/x
  3. Step 3: Cross multiply
    28,729,000.70x = 43,093,501.05 × 17,979,458.30
  4. Step 4: Simplify right side
    28,729,000.70x = 774,797,805,129,481.25
  5. Step 5: Solve for x
    x = 774,797,805,129,481.25/28,729,000.70
  6. Step 6: Final answer
    x = 26,969,187.45

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1.5x scale

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.