Home / 31,460,855.28-43,436,860.92-19,717,773.36

Finding the Fourth Proportional to 31,460,855.28, 43,436,860.92 and 19,717,773.36

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Solution

The fourth proportional to 31,460,855.28, 43,436,860.92 and 19,717,773.36 is: 27,223,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460,855.28 : 43,436,860.92 = 19,717,773.36 : x
  2. Step 2: Convert to fraction form
    31,460,855.28/43,436,860.92 = 19,717,773.36/x
  3. Step 3: Cross multiply
    31,460,855.28x = 43,436,860.92 × 19,717,773.36
  4. Step 4: Simplify right side
    31,460,855.28x = 856,478,179,090,401.12
  5. Step 5: Solve for x
    x = 856,478,179,090,401.12/31,460,855.28
  6. Step 6: Final answer
    x = 27,223,613.96

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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.