Home / 31,200,809.26-46,710,147.20-18,207,142.42

Finding the Fourth Proportional to 31,200,809.26, 46,710,147.20 and 18,207,142.42

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Solution

The fourth proportional to 31,200,809.26, 46,710,147.20 and 18,207,142.42 is: 27,257,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200,809.26 : 46,710,147.20 = 18,207,142.42 : x
  2. Step 2: Convert to fraction form
    31,200,809.26/46,710,147.20 = 18,207,142.42/x
  3. Step 3: Cross multiply
    31,200,809.26x = 46,710,147.20 × 18,207,142.42
  4. Step 4: Simplify right side
    31,200,809.26x = 850,458,302,529,564.38
  5. Step 5: Solve for x
    x = 850,458,302,529,564.38/31,200,809.26
  6. Step 6: Final answer
    x = 27,257,571.93

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1.5x scale

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.