Home / 19,007,989.20-28,511,983.80-9,424,846.80

Finding the Fourth Proportional to 19,007,989.20, 28,511,983.80 and 9,424,846.80

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Solution

The fourth proportional to 19,007,989.20, 28,511,983.80 and 9,424,846.80 is: 14,137,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,989.20 : 28,511,983.80 = 9,424,846.80 : x
  2. Step 2: Convert to fraction form
    19,007,989.20/28,511,983.80 = 9,424,846.80/x
  3. Step 3: Cross multiply
    19,007,989.20x = 28,511,983.80 × 9,424,846.80
  4. Step 4: Simplify right side
    19,007,989.20x = 268,721,079,279,081.88
  5. Step 5: Solve for x
    x = 268,721,079,279,081.88/19,007,989.20
  6. Step 6: Final answer
    x = 14,137,270.20

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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.