Home / 10,915,680.87-15,063,375.60-6,020,797.80

Finding the Fourth Proportional to 10,915,680.87, 15,063,375.60 and 6,020,797.80

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Solution

The fourth proportional to 10,915,680.87, 15,063,375.60 and 6,020,797.80 is: 8,308,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,680.87 : 15,063,375.60 = 6,020,797.80 : x
  2. Step 2: Convert to fraction form
    10,915,680.87/15,063,375.60 = 6,020,797.80/x
  3. Step 3: Cross multiply
    10,915,680.87x = 15,063,375.60 × 6,020,797.80
  4. Step 4: Simplify right side
    10,915,680.87x = 90,693,538,673,053.67
  5. Step 5: Solve for x
    x = 90,693,538,673,053.67/10,915,680.87
  6. Step 6: Final answer
    x = 8,308,555.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.