Home / 21,832,660.92-30,129,101.10-12,042,884.28

Finding the Fourth Proportional to 21,832,660.92, 30,129,101.10 and 12,042,884.28

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Solution

The fourth proportional to 21,832,660.92, 30,129,101.10 and 12,042,884.28 is: 16,619,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832,660.92 : 30,129,101.10 = 12,042,884.28 : x
  2. Step 2: Convert to fraction form
    21,832,660.92/30,129,101.10 = 12,042,884.28/x
  3. Step 3: Cross multiply
    21,832,660.92x = 30,129,101.10 × 12,042,884.28
  4. Step 4: Simplify right side
    21,832,660.92x = 362,841,278,007,720.69
  5. Step 5: Solve for x
    x = 362,841,278,007,720.69/21,832,660.92
  6. Step 6: Final answer
    x = 16,619,196.32

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1.5x scale

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.