Home / 12,816,005.80-19,219,343.10-4,296,620.20

Finding the Fourth Proportional to 12,816,005.80, 19,219,343.10 and 4,296,620.20

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Solution

The fourth proportional to 12,816,005.80, 19,219,343.10 and 4,296,620.20 is: 6,443,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,005.80 : 19,219,343.10 = 4,296,620.20 : x
  2. Step 2: Convert to fraction form
    12,816,005.80/19,219,343.10 = 4,296,620.20/x
  3. Step 3: Cross multiply
    12,816,005.80x = 19,219,343.10 × 4,296,620.20
  4. Step 4: Simplify right side
    12,816,005.80x = 82,578,217,794,190.62
  5. Step 5: Solve for x
    x = 82,578,217,794,190.62/12,816,005.80
  6. Step 6: Final answer
    x = 6,443,366.14

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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.