Home / 14,346,028.16-21,514,843.20-11,815,406.72

Finding the Fourth Proportional to 14,346,028.16, 21,514,843.20 and 11,815,406.72

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Solution

The fourth proportional to 14,346,028.16, 21,514,843.20 and 11,815,406.72 is: 17,719,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346,028.16 : 21,514,843.20 = 11,815,406.72 : x
  2. Step 2: Convert to fraction form
    14,346,028.16/21,514,843.20 = 11,815,406.72/x
  3. Step 3: Cross multiply
    14,346,028.16x = 21,514,843.20 × 11,815,406.72
  4. Step 4: Simplify right side
    14,346,028.16x = 254,206,622,925,026.31
  5. Step 5: Solve for x
    x = 254,206,622,925,026.31/14,346,028.16
  6. Step 6: Final answer
    x = 17,719,651.75

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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.