Home / 20,464,449.66-28,240,200.45-11,296,895.58

Finding the Fourth Proportional to 20,464,449.66, 28,240,200.45 and 11,296,895.58

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Solution

The fourth proportional to 20,464,449.66, 28,240,200.45 and 11,296,895.58 is: 15,589,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,449.66 : 28,240,200.45 = 11,296,895.58 : x
  2. Step 2: Convert to fraction form
    20,464,449.66/28,240,200.45 = 11,296,895.58/x
  3. Step 3: Cross multiply
    20,464,449.66x = 28,240,200.45 × 11,296,895.58
  4. Step 4: Simplify right side
    20,464,449.66x = 319,026,595,641,919
  5. Step 5: Solve for x
    x = 319,026,595,641,919/20,464,449.66
  6. Step 6: Final answer
    x = 15,589,307.36

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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.