Home / 25,550,629.80-38,331,985.16-8,278,801.80

Finding the Fourth Proportional to 25,550,629.80, 38,331,985.16 and 8,278,801.80

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Solution

The fourth proportional to 25,550,629.80, 38,331,985.16 and 8,278,801.80 is: 12,420,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550,629.80 : 38,331,985.16 = 8,278,801.80 : x
  2. Step 2: Convert to fraction form
    25,550,629.80/38,331,985.16 = 8,278,801.80/x
  3. Step 3: Cross multiply
    25,550,629.80x = 38,331,985.16 × 8,278,801.80
  4. Step 4: Simplify right side
    25,550,629.80x = 317,342,907,740,181.25
  5. Step 5: Solve for x
    x = 317,342,907,740,181.25/25,550,629.80
  6. Step 6: Final answer
    x = 12,420,159.90

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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.