Home / 20,197,395.69-30,340,933.89-12,526,709.14

Finding the Fourth Proportional to 20,197,395.69, 30,340,933.89 and 12,526,709.14

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Solution

The fourth proportional to 20,197,395.69, 30,340,933.89 and 12,526,709.14 is: 18,817,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,395.69 : 30,340,933.89 = 12,526,709.14 : x
  2. Step 2: Convert to fraction form
    20,197,395.69/30,340,933.89 = 12,526,709.14/x
  3. Step 3: Cross multiply
    20,197,395.69x = 30,340,933.89 × 12,526,709.14
  4. Step 4: Simplify right side
    20,197,395.69x = 380,072,053,875,998.75
  5. Step 5: Solve for x
    x = 380,072,053,875,998.75/20,197,395.69
  6. Step 6: Final answer
    x = 18,817,874.33

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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.