Home / 6,909,385.70-10,364,078.55-5,315,062.70

Finding the Fourth Proportional to 6,909,385.70, 10,364,078.55 and 5,315,062.70

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Solution

The fourth proportional to 6,909,385.70, 10,364,078.55 and 5,315,062.70 is: 7,972,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,385.70 : 10,364,078.55 = 5,315,062.70 : x
  2. Step 2: Convert to fraction form
    6,909,385.70/10,364,078.55 = 5,315,062.70/x
  3. Step 3: Cross multiply
    6,909,385.70x = 10,364,078.55 × 5,315,062.70
  4. Step 4: Simplify right side
    6,909,385.70x = 55,085,727,320,975.09
  5. Step 5: Solve for x
    x = 55,085,727,320,975.09/6,909,385.70
  6. Step 6: Final answer
    x = 7,972,594.05

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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.