Home / 7,815,059.44-10,786,077.12-5,365,664.80

Finding the Fourth Proportional to 7,815,059.44, 10,786,077.12 and 5,365,664.80

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Solution

The fourth proportional to 7,815,059.44, 10,786,077.12 and 5,365,664.80 is: 7,405,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,059.44 : 10,786,077.12 = 5,365,664.80 : x
  2. Step 2: Convert to fraction form
    7,815,059.44/10,786,077.12 = 5,365,664.80/x
  3. Step 3: Cross multiply
    7,815,059.44x = 10,786,077.12 × 5,365,664.80
  4. Step 4: Simplify right side
    7,815,059.44x = 57,874,474,332,869.37
  5. Step 5: Solve for x
    x = 57,874,474,332,869.37/7,815,059.44
  6. Step 6: Final answer
    x = 7,405,506.61

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1.5x scale

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.