Home / 21,832,101.96-30,128,510.88-12,042,958.80

Finding the Fourth Proportional to 21,832,101.96, 30,128,510.88 and 12,042,958.80

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Solution

The fourth proportional to 21,832,101.96, 30,128,510.88 and 12,042,958.80 is: 16,619,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832,101.96 : 30,128,510.88 = 12,042,958.80 : x
  2. Step 2: Convert to fraction form
    21,832,101.96/30,128,510.88 = 12,042,958.80/x
  3. Step 3: Cross multiply
    21,832,101.96x = 30,128,510.88 × 12,042,958.80
  4. Step 4: Simplify right side
    21,832,101.96x = 362,836,415,233,191.75
  5. Step 5: Solve for x
    x = 362,836,415,233,191.75/21,832,101.96
  6. Step 6: Final answer
    x = 16,619,399.08

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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.