Home / 28,895,121.66-43,343,471.43-8,424,346.52

Finding the Fourth Proportional to 28,895,121.66, 43,343,471.43 and 8,424,346.52

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Solution

The fourth proportional to 28,895,121.66, 43,343,471.43 and 8,424,346.52 is: 12,636,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895,121.66 : 43,343,471.43 = 8,424,346.52 : x
  2. Step 2: Convert to fraction form
    28,895,121.66/43,343,471.43 = 8,424,346.52/x
  3. Step 3: Cross multiply
    28,895,121.66x = 43,343,471.43 × 8,424,346.52
  4. Step 4: Simplify right side
    28,895,121.66x = 365,140,422,489,322.56
  5. Step 5: Solve for x
    x = 365,140,422,489,322.56/28,895,121.66
  6. Step 6: Final answer
    x = 12,636,749.79

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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.