Home / 6,909,382.70-10,364,074.05-5,315,059.70

Finding the Fourth Proportional to 6,909,382.70, 10,364,074.05 and 5,315,059.70

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Solution

The fourth proportional to 6,909,382.70, 10,364,074.05 and 5,315,059.70 is: 7,972,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,382.70 : 10,364,074.05 = 5,315,059.70 : x
  2. Step 2: Convert to fraction form
    6,909,382.70/10,364,074.05 = 5,315,059.70/x
  3. Step 3: Cross multiply
    6,909,382.70x = 10,364,074.05 × 5,315,059.70
  4. Step 4: Simplify right side
    6,909,382.70x = 55,085,672,310,970.79
  5. Step 5: Solve for x
    x = 55,085,672,310,970.79/6,909,382.70
  6. Step 6: Final answer
    x = 7,972,589.55

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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.