Home / 10,080,323.85-15,120,485.78-3,690,784.65

Finding the Fourth Proportional to 10,080,323.85, 15,120,485.78 and 3,690,784.65

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Solution

The fourth proportional to 10,080,323.85, 15,120,485.78 and 3,690,784.65 is: 5,536,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,323.85 : 15,120,485.78 = 3,690,784.65 : x
  2. Step 2: Convert to fraction form
    10,080,323.85/15,120,485.78 = 3,690,784.65/x
  3. Step 3: Cross multiply
    10,080,323.85x = 15,120,485.78 × 3,690,784.65
  4. Step 4: Simplify right side
    10,080,323.85x = 55,806,456,798,913.35
  5. Step 5: Solve for x
    x = 55,806,456,798,913.35/10,080,323.85
  6. Step 6: Final answer
    x = 5,536,176.98

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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.