Home / 20,178,047.80-30,267,071.70-19,062,021.70

Finding the Fourth Proportional to 20,178,047.80, 30,267,071.70 and 19,062,021.70

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Solution

The fourth proportional to 20,178,047.80, 30,267,071.70 and 19,062,021.70 is: 28,593,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,047.80 : 30,267,071.70 = 19,062,021.70 : x
  2. Step 2: Convert to fraction form
    20,178,047.80/30,267,071.70 = 19,062,021.70/x
  3. Step 3: Cross multiply
    20,178,047.80x = 30,267,071.70 × 19,062,021.70
  4. Step 4: Simplify right side
    20,178,047.80x = 576,951,577,540,855.88
  5. Step 5: Solve for x
    x = 576,951,577,540,855.88/20,178,047.80
  6. Step 6: Final answer
    x = 28,593,032.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.