Home / 12,798,370.20-19,200,179.70-4,284,816.60

Finding the Fourth Proportional to 12,798,370.20, 19,200,179.70 and 4,284,816.60

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Solution

The fourth proportional to 12,798,370.20, 19,200,179.70 and 4,284,816.60 is: 6,428,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,370.20 : 19,200,179.70 = 4,284,816.60 : x
  2. Step 2: Convert to fraction form
    12,798,370.20/19,200,179.70 = 4,284,816.60/x
  3. Step 3: Cross multiply
    12,798,370.20x = 19,200,179.70 × 4,284,816.60
  4. Step 4: Simplify right side
    12,798,370.20x = 82,269,248,701,543.02
  5. Step 5: Solve for x
    x = 82,269,248,701,543.02/12,798,370.20
  6. Step 6: Final answer
    x = 6,428,103.53

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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.