Home / 32,979,742.68-45,517,500.79-18,300,138.22

Finding the Fourth Proportional to 32,979,742.68, 45,517,500.79 and 18,300,138.22

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Solution

The fourth proportional to 32,979,742.68, 45,517,500.79 and 18,300,138.22 is: 25,257,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979,742.68 : 45,517,500.79 = 18,300,138.22 : x
  2. Step 2: Convert to fraction form
    32,979,742.68/45,517,500.79 = 18,300,138.22/x
  3. Step 3: Cross multiply
    32,979,742.68x = 45,517,500.79 × 18,300,138.22
  4. Step 4: Simplify right side
    32,979,742.68x = 832,976,555,885,959.12
  5. Step 5: Solve for x
    x = 832,976,555,885,959.12/32,979,742.68
  6. Step 6: Final answer
    x = 25,257,218.16

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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.