Home / 17,919,755.20-26,879,632.80-8,961,803.20

Finding the Fourth Proportional to 17,919,755.20, 26,879,632.80 and 8,961,803.20

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Solution

The fourth proportional to 17,919,755.20, 26,879,632.80 and 8,961,803.20 is: 13,442,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919,755.20 : 26,879,632.80 = 8,961,803.20 : x
  2. Step 2: Convert to fraction form
    17,919,755.20/26,879,632.80 = 8,961,803.20/x
  3. Step 3: Cross multiply
    17,919,755.20x = 26,879,632.80 × 8,961,803.20
  4. Step 4: Simplify right side
    17,919,755.20x = 240,889,979,241,864.94
  5. Step 5: Solve for x
    x = 240,889,979,241,864.94/17,919,755.20
  6. Step 6: Final answer
    x = 13,442,704.80

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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.