Home / 12,718,082.30-19,077,238.78-3,620,176.31

Finding the Fourth Proportional to 12,718,082.30, 19,077,238.78 and 3,620,176.31

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Solution

The fourth proportional to 12,718,082.30, 19,077,238.78 and 3,620,176.31 is: 5,430,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,082.30 : 19,077,238.78 = 3,620,176.31 : x
  2. Step 2: Convert to fraction form
    12,718,082.30/19,077,238.78 = 3,620,176.31/x
  3. Step 3: Cross multiply
    12,718,082.30x = 19,077,238.78 × 3,620,176.31
  4. Step 4: Simplify right side
    12,718,082.30x = 69,062,967,873,468.41
  5. Step 5: Solve for x
    x = 69,062,967,873,468.41/12,718,082.30
  6. Step 6: Final answer
    x = 5,430,297.29

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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.