Home / 20,544,424.40-28,352,196.88-11,377,067.15

Finding the Fourth Proportional to 20,544,424.40, 28,352,196.88 and 11,377,067.15

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Solution

The fourth proportional to 20,544,424.40, 28,352,196.88 and 11,377,067.15 is: 15,700,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,424.40 : 28,352,196.88 = 11,377,067.15 : x
  2. Step 2: Convert to fraction form
    20,544,424.40/28,352,196.88 = 11,377,067.15/x
  3. Step 3: Cross multiply
    20,544,424.40x = 28,352,196.88 × 11,377,067.15
  4. Step 4: Simplify right side
    20,544,424.40x = 322,564,847,796,218.31
  5. Step 5: Solve for x
    x = 322,564,847,796,218.31/20,544,424.40
  6. Step 6: Final answer
    x = 15,700,846.20

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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.