Home / 31,293,093.90-46,939,640.85-19,955,685.90

Finding the Fourth Proportional to 31,293,093.90, 46,939,640.85 and 19,955,685.90

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Solution

The fourth proportional to 31,293,093.90, 46,939,640.85 and 19,955,685.90 is: 29,933,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293,093.90 : 46,939,640.85 = 19,955,685.90 : x
  2. Step 2: Convert to fraction form
    31,293,093.90/46,939,640.85 = 19,955,685.90/x
  3. Step 3: Cross multiply
    31,293,093.90x = 46,939,640.85 × 19,955,685.90
  4. Step 4: Simplify right side
    31,293,093.90x = 936,712,729,061,409
  5. Step 5: Solve for x
    x = 936,712,729,061,409/31,293,093.90
  6. Step 6: Final answer
    x = 29,933,528.85

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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.