Home / 12,718,083.30-19,077,240.28-3,620,177.31

Finding the Fourth Proportional to 12,718,083.30, 19,077,240.28 and 3,620,177.31

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Solution

The fourth proportional to 12,718,083.30, 19,077,240.28 and 3,620,177.31 is: 5,430,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,083.30 : 19,077,240.28 = 3,620,177.31 : x
  2. Step 2: Convert to fraction form
    12,718,083.30/19,077,240.28 = 3,620,177.31/x
  3. Step 3: Cross multiply
    12,718,083.30x = 19,077,240.28 × 3,620,177.31
  4. Step 4: Simplify right side
    12,718,083.30x = 69,062,992,399,074.05
  5. Step 5: Solve for x
    x = 69,062,992,399,074.05/12,718,083.30
  6. Step 6: Final answer
    x = 5,430,298.79

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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.