Home / 12,787,640.80-19,149,968.40-6,048,181.60

Finding the Fourth Proportional to 12,787,640.80, 19,149,968.40 and 6,048,181.60

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Solution

The fourth proportional to 12,787,640.80, 19,149,968.40 and 6,048,181.60 is: 9,057,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,640.80 : 19,149,968.40 = 6,048,181.60 : x
  2. Step 2: Convert to fraction form
    12,787,640.80/19,149,968.40 = 6,048,181.60/x
  3. Step 3: Cross multiply
    12,787,640.80x = 19,149,968.40 × 6,048,181.60
  4. Step 4: Simplify right side
    12,787,640.80x = 115,822,486,517,461.42
  5. Step 5: Solve for x
    x = 115,822,486,517,461.42/12,787,640.80
  6. Step 6: Final answer
    x = 9,057,377.22

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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.