Home / 28,969,237.80-43,453,856.70-28,521,340.20

Finding the Fourth Proportional to 28,969,237.80, 43,453,856.70 and 28,521,340.20

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Solution

The fourth proportional to 28,969,237.80, 43,453,856.70 and 28,521,340.20 is: 42,782,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,237.80 : 43,453,856.70 = 28,521,340.20 : x
  2. Step 2: Convert to fraction form
    28,969,237.80/43,453,856.70 = 28,521,340.20/x
  3. Step 3: Cross multiply
    28,969,237.80x = 43,453,856.70 × 28,521,340.20
  4. Step 4: Simplify right side
    28,969,237.80x = 1,239,362,229,942,749.50
  5. Step 5: Solve for x
    x = 1,239,362,229,942,749.50/28,969,237.80
  6. Step 6: Final answer
    x = 42,782,010.30

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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.