Home / 21,063,168.90-31,547,514.15-17,284,032.90

Finding the Fourth Proportional to 21,063,168.90, 31,547,514.15 and 17,284,032.90

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Solution

The fourth proportional to 21,063,168.90, 31,547,514.15 and 17,284,032.90 is: 25,887,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,168.90 : 31,547,514.15 = 17,284,032.90 : x
  2. Step 2: Convert to fraction form
    21,063,168.90/31,547,514.15 = 17,284,032.90/x
  3. Step 3: Cross multiply
    21,063,168.90x = 31,547,514.15 × 17,284,032.90
  4. Step 4: Simplify right side
    21,063,168.90x = 545,268,272,481,815.44
  5. Step 5: Solve for x
    x = 545,268,272,481,815.44/21,063,168.90
  6. Step 6: Final answer
    x = 25,887,285.77

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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.