Home / 7,629,770.31-10,538,397.87-5,704,568.79

Finding the Fourth Proportional to 7,629,770.31, 10,538,397.87 and 5,704,568.79

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Solution

The fourth proportional to 7,629,770.31, 10,538,397.87 and 5,704,568.79 is: 7,879,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629,770.31 : 10,538,397.87 = 5,704,568.79 : x
  2. Step 2: Convert to fraction form
    7,629,770.31/10,538,397.87 = 5,704,568.79/x
  3. Step 3: Cross multiply
    7,629,770.31x = 10,538,397.87 × 5,704,568.79
  4. Step 4: Simplify right side
    7,629,770.31x = 60,117,015,585,804.48
  5. Step 5: Solve for x
    x = 60,117,015,585,804.48/7,629,770.31
  6. Step 6: Final answer
    x = 7,879,269.38

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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.