Home / 31,320,131.76-46,965,008.88-18,370,513.92

Finding the Fourth Proportional to 31,320,131.76, 46,965,008.88 and 18,370,513.92

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Solution

The fourth proportional to 31,320,131.76, 46,965,008.88 and 18,370,513.92 is: 27,546,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320,131.76 : 46,965,008.88 = 18,370,513.92 : x
  2. Step 2: Convert to fraction form
    31,320,131.76/46,965,008.88 = 18,370,513.92/x
  3. Step 3: Cross multiply
    31,320,131.76x = 46,965,008.88 × 18,370,513.92
  4. Step 4: Simplify right side
    31,320,131.76x = 862,771,349,382,963.75
  5. Step 5: Solve for x
    x = 862,771,349,382,963.75/31,320,131.76
  6. Step 6: Final answer
    x = 27,546,862.06

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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.