Home / 31,107,117.90-46,579,028.85-21,959,820.30

Finding the Fourth Proportional to 31,107,117.90, 46,579,028.85 and 21,959,820.30

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Solution

The fourth proportional to 31,107,117.90, 46,579,028.85 and 21,959,820.30 is: 32,882,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107,117.90 : 46,579,028.85 = 21,959,820.30 : x
  2. Step 2: Convert to fraction form
    31,107,117.90/46,579,028.85 = 21,959,820.30/x
  3. Step 3: Cross multiply
    31,107,117.90x = 46,579,028.85 × 21,959,820.30
  4. Step 4: Simplify right side
    31,107,117.90x = 1,022,867,103,294,515.75
  5. Step 5: Solve for x
    x = 1,022,867,103,294,515.75/31,107,117.90
  6. Step 6: Final answer
    x = 32,882,091.70

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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.