Home / 18,800,906.22-28,209,333.69-10,271,278.17

Finding the Fourth Proportional to 18,800,906.22, 28,209,333.69 and 10,271,278.17

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Solution

The fourth proportional to 18,800,906.22, 28,209,333.69 and 10,271,278.17 is: 15,411,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800,906.22 : 28,209,333.69 = 10,271,278.17 : x
  2. Step 2: Convert to fraction form
    18,800,906.22/28,209,333.69 = 10,271,278.17/x
  3. Step 3: Cross multiply
    18,800,906.22x = 28,209,333.69 × 10,271,278.17
  4. Step 4: Simplify right side
    18,800,906.22x = 289,745,913,320,342.56
  5. Step 5: Solve for x
    x = 289,745,913,320,342.56/18,800,906.22
  6. Step 6: Final answer
    x = 15,411,273.79

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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.