Home / 19,067,920.20-28,601,880.30-6,287,748.30

Finding the Fourth Proportional to 19,067,920.20, 28,601,880.30 and 6,287,748.30

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Solution

The fourth proportional to 19,067,920.20, 28,601,880.30 and 6,287,748.30 is: 9,431,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067,920.20 : 28,601,880.30 = 6,287,748.30 : x
  2. Step 2: Convert to fraction form
    19,067,920.20/28,601,880.30 = 6,287,748.30/x
  3. Step 3: Cross multiply
    19,067,920.20x = 28,601,880.30 × 6,287,748.30
  4. Step 4: Simplify right side
    19,067,920.20x = 179,841,424,233,128.50
  5. Step 5: Solve for x
    x = 179,841,424,233,128.50/19,067,920.20
  6. Step 6: Final answer
    x = 9,431,622.45

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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.