Home / 31,131,207.60-46,633,825.80-21,557,396.40

Finding the Fourth Proportional to 31,131,207.60, 46,633,825.80 and 21,557,396.40

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Solution

The fourth proportional to 31,131,207.60, 46,633,825.80 and 21,557,396.40 is: 32,292,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,207.60 : 46,633,825.80 = 21,557,396.40 : x
  2. Step 2: Convert to fraction form
    31,131,207.60/46,633,825.80 = 21,557,396.40/x
  3. Step 3: Cross multiply
    31,131,207.60x = 46,633,825.80 × 21,557,396.40
  4. Step 4: Simplify right side
    31,131,207.60x = 1,005,303,868,419,147
  5. Step 5: Solve for x
    x = 1,005,303,868,419,147/31,131,207.60
  6. Step 6: Final answer
    x = 32,292,479.02

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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.