Home / 7,103,198.78-10,651,485.78-3,690,567.94

Finding the Fourth Proportional to 7,103,198.78, 10,651,485.78 and 3,690,567.94

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Solution

The fourth proportional to 7,103,198.78, 10,651,485.78 and 3,690,567.94 is: 5,534,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103,198.78 : 10,651,485.78 = 3,690,567.94 : x
  2. Step 2: Convert to fraction form
    7,103,198.78/10,651,485.78 = 3,690,567.94/x
  3. Step 3: Cross multiply
    7,103,198.78x = 10,651,485.78 × 3,690,567.94
  4. Step 4: Simplify right side
    7,103,198.78x = 39,310,031,933,033.89
  5. Step 5: Solve for x
    x = 39,310,031,933,033.89/7,103,198.78
  6. Step 6: Final answer
    x = 5,534,130.91

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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.