Home / 18,981,313.38-28,466,078.67-6,849,202.50

Finding the Fourth Proportional to 18,981,313.38, 28,466,078.67 and 6,849,202.50

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Solution

The fourth proportional to 18,981,313.38, 28,466,078.67 and 6,849,202.50 is: 10,271,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,313.38 : 28,466,078.67 = 6,849,202.50 : x
  2. Step 2: Convert to fraction form
    18,981,313.38/28,466,078.67 = 6,849,202.50/x
  3. Step 3: Cross multiply
    18,981,313.38x = 28,466,078.67 × 6,849,202.50
  4. Step 4: Simplify right side
    18,981,313.38x = 194,969,937,191,760.69
  5. Step 5: Solve for x
    x = 194,969,937,191,760.69/18,981,313.38
  6. Step 6: Final answer
    x = 10,271,677.90

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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.