Home / 15,370,639.07-21,197,752.68-12,752,998.95

Finding the Fourth Proportional to 15,370,639.07, 21,197,752.68 and 12,752,998.95

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Solution

The fourth proportional to 15,370,639.07, 21,197,752.68 and 12,752,998.95 is: 17,587,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370,639.07 : 21,197,752.68 = 12,752,998.95 : x
  2. Step 2: Convert to fraction form
    15,370,639.07/21,197,752.68 = 12,752,998.95/x
  3. Step 3: Cross multiply
    15,370,639.07x = 21,197,752.68 × 12,752,998.95
  4. Step 4: Simplify right side
    15,370,639.07x = 270,334,917,670,399.66
  5. Step 5: Solve for x
    x = 270,334,917,670,399.66/15,370,639.07
  6. Step 6: Final answer
    x = 17,587,747.42

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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.