Home / 18,932,172.93-28,388,154.85-9,825,100.34

Finding the Fourth Proportional to 18,932,172.93, 28,388,154.85 and 9,825,100.34

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Solution

The fourth proportional to 18,932,172.93, 28,388,154.85 and 9,825,100.34 is: 14,732,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932,172.93 : 28,388,154.85 = 9,825,100.34 : x
  2. Step 2: Convert to fraction form
    18,932,172.93/28,388,154.85 = 9,825,100.34/x
  3. Step 3: Cross multiply
    18,932,172.93x = 28,388,154.85 × 9,825,100.34
  4. Step 4: Simplify right side
    18,932,172.93x = 278,916,469,702,204.16
  5. Step 5: Solve for x
    x = 278,916,469,702,204.16/18,932,172.93
  6. Step 6: Final answer
    x = 14,732,406.61

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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.