Home / 13,288,045.20-19,932,067.80-9,928,813.20

Finding the Fourth Proportional to 13,288,045.20, 19,932,067.80 and 9,928,813.20

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Solution

The fourth proportional to 13,288,045.20, 19,932,067.80 and 9,928,813.20 is: 14,893,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,045.20 : 19,932,067.80 = 9,928,813.20 : x
  2. Step 2: Convert to fraction form
    13,288,045.20/19,932,067.80 = 9,928,813.20/x
  3. Step 3: Cross multiply
    13,288,045.20x = 19,932,067.80 × 9,928,813.20
  4. Step 4: Simplify right side
    13,288,045.20x = 197,901,777,875,934.94
  5. Step 5: Solve for x
    x = 197,901,777,875,934.94/13,288,045.20
  6. Step 6: Final answer
    x = 14,893,219.80

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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.