Home / 12,220,554.20-18,330,831.30-10,945,095.80

Finding the Fourth Proportional to 12,220,554.20, 18,330,831.30 and 10,945,095.80

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Solution

The fourth proportional to 12,220,554.20, 18,330,831.30 and 10,945,095.80 is: 16,417,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,554.20 : 18,330,831.30 = 10,945,095.80 : x
  2. Step 2: Convert to fraction form
    12,220,554.20/18,330,831.30 = 10,945,095.80/x
  3. Step 3: Cross multiply
    12,220,554.20x = 18,330,831.30 × 10,945,095.80
  4. Step 4: Simplify right side
    12,220,554.20x = 200,632,704,672,138.56
  5. Step 5: Solve for x
    x = 200,632,704,672,138.56/12,220,554.20
  6. Step 6: Final answer
    x = 16,417,643.70

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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.