Home / 12,935,857.68-19,405,724.31-4,179,210.12

Finding the Fourth Proportional to 12,935,857.68, 19,405,724.31 and 4,179,210.12

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Solution

The fourth proportional to 12,935,857.68, 19,405,724.31 and 4,179,210.12 is: 6,269,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,857.68 : 19,405,724.31 = 4,179,210.12 : x
  2. Step 2: Convert to fraction form
    12,935,857.68/19,405,724.31 = 4,179,210.12/x
  3. Step 3: Cross multiply
    12,935,857.68x = 19,405,724.31 × 4,179,210.12
  4. Step 4: Simplify right side
    12,935,857.68x = 81,100,599,422,282.02
  5. Step 5: Solve for x
    x = 81,100,599,422,282.02/12,935,857.68
  6. Step 6: Final answer
    x = 6,269,441.23

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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.