Home / 14,008,012.80-20,996,467.20-5,485,516.80

Finding the Fourth Proportional to 14,008,012.80, 20,996,467.20 and 5,485,516.80

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Solution

The fourth proportional to 14,008,012.80, 20,996,467.20 and 5,485,516.80 is: 8,222,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,012.80 : 20,996,467.20 = 5,485,516.80 : x
  2. Step 2: Convert to fraction form
    14,008,012.80/20,996,467.20 = 5,485,516.80/x
  3. Step 3: Cross multiply
    14,008,012.80x = 20,996,467.20 × 5,485,516.80
  4. Step 4: Simplify right side
    14,008,012.80x = 115,176,473,566,248.95
  5. Step 5: Solve for x
    x = 115,176,473,566,248.95/14,008,012.80
  6. Step 6: Final answer
    x = 8,222,185.06

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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.