Home / 13,801,369.21-20,702,268.54-4,086,964.89

Finding the Fourth Proportional to 13,801,369.21, 20,702,268.54 and 4,086,964.89

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Solution

The fourth proportional to 13,801,369.21, 20,702,268.54 and 4,086,964.89 is: 6,130,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801,369.21 : 20,702,268.54 = 4,086,964.89 : x
  2. Step 2: Convert to fraction form
    13,801,369.21/20,702,268.54 = 4,086,964.89/x
  3. Step 3: Cross multiply
    13,801,369.21x = 20,702,268.54 × 4,086,964.89
  4. Step 4: Simplify right side
    13,801,369.21x = 84,609,444,666,331.56
  5. Step 5: Solve for x
    x = 84,609,444,666,331.56/13,801,369.21
  6. Step 6: Final answer
    x = 6,130,510.92

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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.