Home / 8,368,540.80-12,554,949.60-2,688,820.80

Finding the Fourth Proportional to 8,368,540.80, 12,554,949.60 and 2,688,820.80

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Solution

The fourth proportional to 8,368,540.80, 12,554,949.60 and 2,688,820.80 is: 4,033,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368,540.80 : 12,554,949.60 = 2,688,820.80 : x
  2. Step 2: Convert to fraction form
    8,368,540.80/12,554,949.60 = 2,688,820.80/x
  3. Step 3: Cross multiply
    8,368,540.80x = 12,554,949.60 × 2,688,820.80
  4. Step 4: Simplify right side
    8,368,540.80x = 33,758,009,627,431.68
  5. Step 5: Solve for x
    x = 33,758,009,627,431.68/8,368,540.80
  6. Step 6: Final answer
    x = 4,033,918.27

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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.