Home / 7,447,375.80-11,171,063.70-2,660,470.20

Finding the Fourth Proportional to 7,447,375.80, 11,171,063.70 and 2,660,470.20

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Solution

The fourth proportional to 7,447,375.80, 11,171,063.70 and 2,660,470.20 is: 3,990,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,375.80 : 11,171,063.70 = 2,660,470.20 : x
  2. Step 2: Convert to fraction form
    7,447,375.80/11,171,063.70 = 2,660,470.20/x
  3. Step 3: Cross multiply
    7,447,375.80x = 11,171,063.70 × 2,660,470.20
  4. Step 4: Simplify right side
    7,447,375.80x = 29,720,282,076,151.74
  5. Step 5: Solve for x
    x = 29,720,282,076,151.74/7,447,375.80
  6. Step 6: Final answer
    x = 3,990,705.30

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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.