Home / 18,608,460.28-27,912,700.16-7,091,242

Finding the Fourth Proportional to 18,608,460.28, 27,912,700.16 and 7,091,242

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Solution

The fourth proportional to 18,608,460.28, 27,912,700.16 and 7,091,242 is: 10,636,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608,460.28 : 27,912,700.16 = 7,091,242 : x
  2. Step 2: Convert to fraction form
    18,608,460.28/27,912,700.16 = 7,091,242/x
  3. Step 3: Cross multiply
    18,608,460.28x = 27,912,700.16 × 7,091,242
  4. Step 4: Simplify right side
    18,608,460.28x = 197,935,711,707,998.72
  5. Step 5: Solve for x
    x = 197,935,711,707,998.72/18,608,460.28
  6. Step 6: Final answer
    x = 10,636,866.71

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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.