Home / 13,739,264.72-20,707,653.16-11,843,062.82

Finding the Fourth Proportional to 13,739,264.72, 20,707,653.16 and 11,843,062.82

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Solution

The fourth proportional to 13,739,264.72, 20,707,653.16 and 11,843,062.82 is: 17,849,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,264.72 : 20,707,653.16 = 11,843,062.82 : x
  2. Step 2: Convert to fraction form
    13,739,264.72/20,707,653.16 = 11,843,062.82/x
  3. Step 3: Cross multiply
    13,739,264.72x = 20,707,653.16 × 11,843,062.82
  4. Step 4: Simplify right side
    13,739,264.72x = 245,242,037,228,651.53
  5. Step 5: Solve for x
    x = 245,242,037,228,651.53/13,739,264.72
  6. Step 6: Final answer
    x = 17,849,720.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.