Home / 12,679,927.68-19,019,825.92-3,095,356.80

Finding the Fourth Proportional to 12,679,927.68, 19,019,825.92 and 3,095,356.80

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Solution

The fourth proportional to 12,679,927.68, 19,019,825.92 and 3,095,356.80 is: 4,643,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,927.68 : 19,019,825.92 = 3,095,356.80 : x
  2. Step 2: Convert to fraction form
    12,679,927.68/19,019,825.92 = 3,095,356.80/x
  3. Step 3: Cross multiply
    12,679,927.68x = 19,019,825.92 × 3,095,356.80
  4. Step 4: Simplify right side
    12,679,927.68x = 58,873,147,496,288.26
  5. Step 5: Solve for x
    x = 58,873,147,496,288.26/12,679,927.68
  6. Step 6: Final answer
    x = 4,643,019.19

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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.