Home / 21,162,310.04-29,206,271.06-11,993,968.64

Finding the Fourth Proportional to 21,162,310.04, 29,206,271.06 and 11,993,968.64

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Solution

The fourth proportional to 21,162,310.04, 29,206,271.06 and 11,993,968.64 is: 16,552,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,162,310.04 : 29,206,271.06 = 11,993,968.64 : x
  2. Step 2: Convert to fraction form
    21,162,310.04/29,206,271.06 = 11,993,968.64/x
  3. Step 3: Cross multiply
    21,162,310.04x = 29,206,271.06 × 11,993,968.64
  4. Step 4: Simplify right side
    21,162,310.04x = 350,299,099,184,979.56
  5. Step 5: Solve for x
    x = 350,299,099,184,979.56/21,162,310.04
  6. Step 6: Final answer
    x = 16,552,970.75

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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.