Home / 10,143,971.27-15,218,289.75-3,320,764.55

Finding the Fourth Proportional to 10,143,971.27, 15,218,289.75 and 3,320,764.55

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Solution

The fourth proportional to 10,143,971.27, 15,218,289.75 and 3,320,764.55 is: 4,981,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,971.27 : 15,218,289.75 = 3,320,764.55 : x
  2. Step 2: Convert to fraction form
    10,143,971.27/15,218,289.75 = 3,320,764.55/x
  3. Step 3: Cross multiply
    10,143,971.27x = 15,218,289.75 × 3,320,764.55
  4. Step 4: Simplify right side
    10,143,971.27x = 50,536,357,113,428.36
  5. Step 5: Solve for x
    x = 50,536,357,113,428.36/10,143,971.27
  6. Step 6: Final answer
    x = 4,981,910.51

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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.