Home / 13,384,350.14-18,470,513.88-7,272,778.64

Finding the Fourth Proportional to 13,384,350.14, 18,470,513.88 and 7,272,778.64

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Solution

The fourth proportional to 13,384,350.14, 18,470,513.88 and 7,272,778.64 is: 10,036,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,350.14 : 18,470,513.88 = 7,272,778.64 : x
  2. Step 2: Convert to fraction form
    13,384,350.14/18,470,513.88 = 7,272,778.64/x
  3. Step 3: Cross multiply
    13,384,350.14x = 18,470,513.88 × 7,272,778.64
  4. Step 4: Simplify right side
    13,384,350.14x = 134,331,958,723,934.94
  5. Step 5: Solve for x
    x = 134,331,958,723,934.94/13,384,350.14
  6. Step 6: Final answer
    x = 10,036,494.66

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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.