Home / 21,751,288.11-30,017,547.89-11,962,489.95

Finding the Fourth Proportional to 21,751,288.11, 30,017,547.89 and 11,962,489.95

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Solution

The fourth proportional to 21,751,288.11, 30,017,547.89 and 11,962,489.95 is: 16,508,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,288.11 : 30,017,547.89 = 11,962,489.95 : x
  2. Step 2: Convert to fraction form
    21,751,288.11/30,017,547.89 = 11,962,489.95/x
  3. Step 3: Cross multiply
    21,751,288.11x = 30,017,547.89 × 11,962,489.95
  4. Step 4: Simplify right side
    21,751,288.11x = 359,084,614,897,956.25
  5. Step 5: Solve for x
    x = 359,084,614,897,956.25/21,751,288.11
  6. Step 6: Final answer
    x = 16,508,659.77

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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.