Home / 12,571,424.20-18,829,142.70-10,891,808.20

Finding the Fourth Proportional to 12,571,424.20, 18,829,142.70 and 10,891,808.20

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Solution

The fourth proportional to 12,571,424.20, 18,829,142.70 and 10,891,808.20 is: 16,313,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,424.20 : 18,829,142.70 = 10,891,808.20 : x
  2. Step 2: Convert to fraction form
    12,571,424.20/18,829,142.70 = 10,891,808.20/x
  3. Step 3: Cross multiply
    12,571,424.20x = 18,829,142.70 × 10,891,808.20
  4. Step 4: Simplify right side
    12,571,424.20x = 205,083,410,858,830.12
  5. Step 5: Solve for x
    x = 205,083,410,858,830.12/12,571,424.20
  6. Step 6: Final answer
    x = 16,313,458.81

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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.