Home / 13,608,810.36-20,425,864.50-6,882,051.96

Finding the Fourth Proportional to 13,608,810.36, 20,425,864.50 and 6,882,051.96

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Solution

The fourth proportional to 13,608,810.36, 20,425,864.50 and 6,882,051.96 is: 10,329,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,810.36 : 20,425,864.50 = 6,882,051.96 : x
  2. Step 2: Convert to fraction form
    13,608,810.36/20,425,864.50 = 6,882,051.96/x
  3. Step 3: Cross multiply
    13,608,810.36x = 20,425,864.50 × 6,882,051.96
  4. Step 4: Simplify right side
    13,608,810.36x = 140,571,860,816,919.42
  5. Step 5: Solve for x
    x = 140,571,860,816,919.42/13,608,810.36
  6. Step 6: Final answer
    x = 10,329,474.59

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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.