Home / 20,640,319.24-30,960,666.57-6,263,387.65

Finding the Fourth Proportional to 20,640,319.24, 30,960,666.57 and 6,263,387.65

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Solution

The fourth proportional to 20,640,319.24, 30,960,666.57 and 6,263,387.65 is: 9,395,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640,319.24 : 30,960,666.57 = 6,263,387.65 : x
  2. Step 2: Convert to fraction form
    20,640,319.24/30,960,666.57 = 6,263,387.65/x
  3. Step 3: Cross multiply
    20,640,319.24x = 30,960,666.57 × 6,263,387.65
  4. Step 4: Simplify right side
    20,640,319.24x = 193,918,656,630,305.88
  5. Step 5: Solve for x
    x = 193,918,656,630,305.88/20,640,319.24
  6. Step 6: Final answer
    x = 9,395,138.44

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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.