Home / 13,666,636.28-20,507,521.10-8,188,268.44

Finding the Fourth Proportional to 13,666,636.28, 20,507,521.10 and 8,188,268.44

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Solution

The fourth proportional to 13,666,636.28, 20,507,521.10 and 8,188,268.44 is: 12,286,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,636.28 : 20,507,521.10 = 8,188,268.44 : x
  2. Step 2: Convert to fraction form
    13,666,636.28/20,507,521.10 = 8,188,268.44/x
  3. Step 3: Cross multiply
    13,666,636.28x = 20,507,521.10 × 8,188,268.44
  4. Step 4: Simplify right side
    13,666,636.28x = 167,921,087,774,965.94
  5. Step 5: Solve for x
    x = 167,921,087,774,965.94/13,666,636.28
  6. Step 6: Final answer
    x = 12,286,936.18

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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.