Home / 13,143,207.11-18,230,418.31-12,793,637.03

Finding the Fourth Proportional to 13,143,207.11, 18,230,418.31 and 12,793,637.03

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Solution

The fourth proportional to 13,143,207.11, 18,230,418.31 and 12,793,637.03 is: 17,745,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143,207.11 : 18,230,418.31 = 12,793,637.03 : x
  2. Step 2: Convert to fraction form
    13,143,207.11/18,230,418.31 = 12,793,637.03/x
  3. Step 3: Cross multiply
    13,143,207.11x = 18,230,418.31 × 12,793,637.03
  4. Step 4: Simplify right side
    13,143,207.11x = 233,233,354,763,206
  5. Step 5: Solve for x
    x = 233,233,354,763,206/13,143,207.11
  6. Step 6: Final answer
    x = 17,745,543.60

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.