Home / 40,285,944.16-60,446,778.72-21,112,142.56

Finding the Fourth Proportional to 40,285,944.16, 60,446,778.72 and 21,112,142.56

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Solution

The fourth proportional to 40,285,944.16, 60,446,778.72 and 21,112,142.56 is: 31,677,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285,944.16 : 60,446,778.72 = 21,112,142.56 : x
  2. Step 2: Convert to fraction form
    40,285,944.16/60,446,778.72 = 21,112,142.56/x
  3. Step 3: Cross multiply
    40,285,944.16x = 60,446,778.72 × 21,112,142.56
  4. Step 4: Simplify right side
    40,285,944.16x = 1,276,161,009,629,414.25
  5. Step 5: Solve for x
    x = 1,276,161,009,629,414.25/40,285,944.16
  6. Step 6: Final answer
    x = 31,677,574.80

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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.