Home / 31,104,130.60-46,656,195.90-8,387,324.20

Finding the Fourth Proportional to 31,104,130.60, 46,656,195.90 and 8,387,324.20

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Solution

The fourth proportional to 31,104,130.60, 46,656,195.90 and 8,387,324.20 is: 12,580,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,130.60 : 46,656,195.90 = 8,387,324.20 : x
  2. Step 2: Convert to fraction form
    31,104,130.60/46,656,195.90 = 8,387,324.20/x
  3. Step 3: Cross multiply
    31,104,130.60x = 46,656,195.90 × 8,387,324.20
  4. Step 4: Simplify right side
    31,104,130.60x = 391,320,640,952,010.75
  5. Step 5: Solve for x
    x = 391,320,640,952,010.75/31,104,130.60
  6. Step 6: Final answer
    x = 12,580,986.30

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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.