Home / 29,121,950.64-40,202,841.96-18,112,249.56

Finding the Fourth Proportional to 29,121,950.64, 40,202,841.96 and 18,112,249.56

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Solution

The fourth proportional to 29,121,950.64, 40,202,841.96 and 18,112,249.56 is: 25,003,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,950.64 : 40,202,841.96 = 18,112,249.56 : x
  2. Step 2: Convert to fraction form
    29,121,950.64/40,202,841.96 = 18,112,249.56/x
  3. Step 3: Cross multiply
    29,121,950.64x = 40,202,841.96 × 18,112,249.56
  4. Step 4: Simplify right side
    29,121,950.64x = 728,163,906,600,759.50
  5. Step 5: Solve for x
    x = 728,163,906,600,759.50/29,121,950.64
  6. Step 6: Final answer
    x = 25,003,953.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.