Home / 12,786,115.36-19,186,739.76-4,704,766

Finding the Fourth Proportional to 12,786,115.36, 19,186,739.76 and 4,704,766

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Solution

The fourth proportional to 12,786,115.36, 19,186,739.76 and 4,704,766 is: 7,059,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,115.36 : 19,186,739.76 = 4,704,766 : x
  2. Step 2: Convert to fraction form
    12,786,115.36/19,186,739.76 = 4,704,766/x
  3. Step 3: Cross multiply
    12,786,115.36x = 19,186,739.76 × 4,704,766
  4. Step 4: Simplify right side
    12,786,115.36x = 90,269,120,873,696.17
  5. Step 5: Solve for x
    x = 90,269,120,873,696.17/12,786,115.36
  6. Step 6: Final answer
    x = 7,059,933.24

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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.