Home / 15,173,569.80-20,934,745.79-9,287,067.32

Finding the Fourth Proportional to 15,173,569.80, 20,934,745.79 and 9,287,067.32

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Solution

The fourth proportional to 15,173,569.80, 20,934,745.79 and 9,287,067.32 is: 12,813,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,569.80 : 20,934,745.79 = 9,287,067.32 : x
  2. Step 2: Convert to fraction form
    15,173,569.80/20,934,745.79 = 9,287,067.32/x
  3. Step 3: Cross multiply
    15,173,569.80x = 20,934,745.79 × 9,287,067.32
  4. Step 4: Simplify right side
    15,173,569.80x = 194,422,393,478,816.59
  5. Step 5: Solve for x
    x = 194,422,393,478,816.59/15,173,569.80
  6. Step 6: Final answer
    x = 12,813,226.95

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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.