Home / 12,838,620.08-17,706,964.96-11,286,563.24

Finding the Fourth Proportional to 12,838,620.08, 17,706,964.96 and 11,286,563.24

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Solution

The fourth proportional to 12,838,620.08, 17,706,964.96 and 11,286,563.24 is: 15,566,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,620.08 : 17,706,964.96 = 11,286,563.24 : x
  2. Step 2: Convert to fraction form
    12,838,620.08/17,706,964.96 = 11,286,563.24/x
  3. Step 3: Cross multiply
    12,838,620.08x = 17,706,964.96 × 11,286,563.24
  4. Step 4: Simplify right side
    12,838,620.08x = 199,850,779,809,504.09
  5. Step 5: Solve for x
    x = 199,850,779,809,504.09/12,838,620.08
  6. Step 6: Final answer
    x = 15,566,375.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.