Home / 13,864,087.45-20,798,022.79-5,775,171.39

Finding the Fourth Proportional to 13,864,087.45, 20,798,022.79 and 5,775,171.39

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Solution

The fourth proportional to 13,864,087.45, 20,798,022.79 and 5,775,171.39 is: 8,663,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,087.45 : 20,798,022.79 = 5,775,171.39 : x
  2. Step 2: Convert to fraction form
    13,864,087.45/20,798,022.79 = 5,775,171.39/x
  3. Step 3: Cross multiply
    13,864,087.45x = 20,798,022.79 × 5,775,171.39
  4. Step 4: Simplify right side
    13,864,087.45x = 120,112,146,117,860.70
  5. Step 5: Solve for x
    x = 120,112,146,117,860.70/13,864,087.45
  6. Step 6: Final answer
    x = 8,663,545.05

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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.