Home / 14,146,005.37-21,219,009.69-4,431,375.39

Finding the Fourth Proportional to 14,146,005.37, 21,219,009.69 and 4,431,375.39

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Solution

The fourth proportional to 14,146,005.37, 21,219,009.69 and 4,431,375.39 is: 6,647,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146,005.37 : 21,219,009.69 = 4,431,375.39 : x
  2. Step 2: Convert to fraction form
    14,146,005.37/21,219,009.69 = 4,431,375.39/x
  3. Step 3: Cross multiply
    14,146,005.37x = 21,219,009.69 × 4,431,375.39
  4. Step 4: Simplify right side
    14,146,005.37x = 94,029,397,347,109.86
  5. Step 5: Solve for x
    x = 94,029,397,347,109.86/14,146,005.37
  6. Step 6: Final answer
    x = 6,647,063.60

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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.