Home / 21,751,282.11-30,017,539.61-11,962,483.95

Finding the Fourth Proportional to 21,751,282.11, 30,017,539.61 and 11,962,483.95

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Solution

The fourth proportional to 21,751,282.11, 30,017,539.61 and 11,962,483.95 is: 16,508,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,282.11 : 30,017,539.61 = 11,962,483.95 : x
  2. Step 2: Convert to fraction form
    21,751,282.11/30,017,539.61 = 11,962,483.95/x
  3. Step 3: Cross multiply
    21,751,282.11x = 30,017,539.61 × 11,962,483.95
  4. Step 4: Simplify right side
    21,751,282.11x = 359,084,335,743,301.81
  5. Step 5: Solve for x
    x = 359,084,335,743,301.81/21,751,282.11
  6. Step 6: Final answer
    x = 16,508,651.49

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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.