Home / 28,295,298.82-42,442,895.26-8,866,012.22

Finding the Fourth Proportional to 28,295,298.82, 42,442,895.26 and 8,866,012.22

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Solution

The fourth proportional to 28,295,298.82, 42,442,895.26 and 8,866,012.22 is: 13,299,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,298.82 : 42,442,895.26 = 8,866,012.22 : x
  2. Step 2: Convert to fraction form
    28,295,298.82/42,442,895.26 = 8,866,012.22/x
  3. Step 3: Cross multiply
    28,295,298.82x = 42,442,895.26 × 8,866,012.22
  4. Step 4: Simplify right side
    28,295,298.82x = 376,299,228,027,340.06
  5. Step 5: Solve for x
    x = 376,299,228,027,340.06/28,295,298.82
  6. Step 6: Final answer
    x = 13,299,001.73

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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.