Home / 18,346,820.70-27,520,121.70-4,699,940.70

Finding the Fourth Proportional to 18,346,820.70, 27,520,121.70 and 4,699,940.70

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Solution

The fourth proportional to 18,346,820.70, 27,520,121.70 and 4,699,940.70 is: 7,049,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,820.70 : 27,520,121.70 = 4,699,940.70 : x
  2. Step 2: Convert to fraction form
    18,346,820.70/27,520,121.70 = 4,699,940.70/x
  3. Step 3: Cross multiply
    18,346,820.70x = 27,520,121.70 × 4,699,940.70
  4. Step 4: Simplify right side
    18,346,820.70x = 129,342,940,046,783.19
  5. Step 5: Solve for x
    x = 129,342,940,046,783.19/18,346,820.70
  6. Step 6: Final answer
    x = 7,049,883.04

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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.