Home / 10,143,970.27-15,218,288.25-3,320,763.55

Finding the Fourth Proportional to 10,143,970.27, 15,218,288.25 and 3,320,763.55

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Solution

The fourth proportional to 10,143,970.27, 15,218,288.25 and 3,320,763.55 is: 4,981,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,970.27 : 15,218,288.25 = 3,320,763.55 : x
  2. Step 2: Convert to fraction form
    10,143,970.27/15,218,288.25 = 3,320,763.55/x
  3. Step 3: Cross multiply
    10,143,970.27x = 15,218,288.25 × 3,320,763.55
  4. Step 4: Simplify right side
    10,143,970.27x = 50,536,336,913,993.28
  5. Step 5: Solve for x
    x = 50,536,336,913,993.28/10,143,970.27
  6. Step 6: Final answer
    x = 4,981,909.01

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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.