Home / 28,182,195.41-42,201,530.02-18,568,427.72

Finding the Fourth Proportional to 28,182,195.41, 42,201,530.02 and 18,568,427.72

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Solution

The fourth proportional to 28,182,195.41, 42,201,530.02 and 18,568,427.72 is: 27,805,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182,195.41 : 42,201,530.02 = 18,568,427.72 : x
  2. Step 2: Convert to fraction form
    28,182,195.41/42,201,530.02 = 18,568,427.72/x
  3. Step 3: Cross multiply
    28,182,195.41x = 42,201,530.02 × 18,568,427.72
  4. Step 4: Simplify right side
    28,182,195.41x = 783,616,059,965,846.50
  5. Step 5: Solve for x
    x = 783,616,059,965,846.50/28,182,195.41
  6. Step 6: Final answer
    x = 27,805,358.97

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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.