Home / 12,796,451.10-19,185,345.45-5,219,516.70

Finding the Fourth Proportional to 12,796,451.10, 19,185,345.45 and 5,219,516.70

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Solution

The fourth proportional to 12,796,451.10, 19,185,345.45 and 5,219,516.70 is: 7,825,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796,451.10 : 19,185,345.45 = 5,219,516.70 : x
  2. Step 2: Convert to fraction form
    12,796,451.10/19,185,345.45 = 5,219,516.70/x
  3. Step 3: Cross multiply
    12,796,451.10x = 19,185,345.45 × 5,219,516.70
  4. Step 4: Simplify right side
    12,796,451.10x = 100,138,230,971,544.02
  5. Step 5: Solve for x
    x = 100,138,230,971,544.02/12,796,451.10
  6. Step 6: Final answer
    x = 7,825,468.97

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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.