Home / 18,953,760.50-26,172,133.46-11,996,711.20

Finding the Fourth Proportional to 18,953,760.50, 26,172,133.46 and 11,996,711.20

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Solution

The fourth proportional to 18,953,760.50, 26,172,133.46 and 11,996,711.20 is: 16,565,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,760.50 : 26,172,133.46 = 11,996,711.20 : x
  2. Step 2: Convert to fraction form
    18,953,760.50/26,172,133.46 = 11,996,711.20/x
  3. Step 3: Cross multiply
    18,953,760.50x = 26,172,133.46 × 11,996,711.20
  4. Step 4: Simplify right side
    18,953,760.50x = 313,979,526,607,476.75
  5. Step 5: Solve for x
    x = 313,979,526,607,476.75/18,953,760.50
  6. Step 6: Final answer
    x = 16,565,553.13

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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.