Home / 14,287,697.28-21,431,712.96-4,190,520.96

Finding the Fourth Proportional to 14,287,697.28, 21,431,712.96 and 4,190,520.96

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Solution

The fourth proportional to 14,287,697.28, 21,431,712.96 and 4,190,520.96 is: 6,285,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,697.28 : 21,431,712.96 = 4,190,520.96 : x
  2. Step 2: Convert to fraction form
    14,287,697.28/21,431,712.96 = 4,190,520.96/x
  3. Step 3: Cross multiply
    14,287,697.28x = 21,431,712.96 × 4,190,520.96
  4. Step 4: Simplify right side
    14,287,697.28x = 89,810,042,367,583.64
  5. Step 5: Solve for x
    x = 89,810,042,367,583.64/14,287,697.28
  6. Step 6: Final answer
    x = 6,285,830.43

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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.