Home / 14,063,012.78-21,199,924.33-13,125,569.58

Finding the Fourth Proportional to 14,063,012.78, 21,199,924.33 and 13,125,569.58

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Solution

The fourth proportional to 14,063,012.78, 21,199,924.33 and 13,125,569.58 is: 19,786,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063,012.78 : 21,199,924.33 = 13,125,569.58 : x
  2. Step 2: Convert to fraction form
    14,063,012.78/21,199,924.33 = 13,125,569.58/x
  3. Step 3: Cross multiply
    14,063,012.78x = 21,199,924.33 × 13,125,569.58
  4. Step 4: Simplify right side
    14,063,012.78x = 278,261,081,851,335.97
  5. Step 5: Solve for x
    x = 278,261,081,851,335.97/14,063,012.78
  6. Step 6: Final answer
    x = 19,786,733.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.