Home / 20,554,168.29-28,357,769.29-11,727,278.42

Finding the Fourth Proportional to 20,554,168.29, 28,357,769.29 and 11,727,278.42

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Solution

The fourth proportional to 20,554,168.29, 28,357,769.29 and 11,727,278.42 is: 16,179,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,168.29 : 28,357,769.29 = 11,727,278.42 : x
  2. Step 2: Convert to fraction form
    20,554,168.29/28,357,769.29 = 11,727,278.42/x
  3. Step 3: Cross multiply
    20,554,168.29x = 28,357,769.29 × 11,727,278.42
  4. Step 4: Simplify right side
    20,554,168.29x = 332,559,455,717,826.12
  5. Step 5: Solve for x
    x = 332,559,455,717,826.12/20,554,168.29
  6. Step 6: Final answer
    x = 16,179,660.06

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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.