Home / 7,851,037.80-11,776,556.70-7,284,167.40

Finding the Fourth Proportional to 7,851,037.80, 11,776,556.70 and 7,284,167.40

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Solution

The fourth proportional to 7,851,037.80, 11,776,556.70 and 7,284,167.40 is: 10,926,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,037.80 : 11,776,556.70 = 7,284,167.40 : x
  2. Step 2: Convert to fraction form
    7,851,037.80/11,776,556.70 = 7,284,167.40/x
  3. Step 3: Cross multiply
    7,851,037.80x = 11,776,556.70 × 7,284,167.40
  4. Step 4: Simplify right side
    7,851,037.80x = 85,782,410,398,391.58
  5. Step 5: Solve for x
    x = 85,782,410,398,391.58/7,851,037.80
  6. Step 6: Final answer
    x = 10,926,251.10

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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.