Home / 13,706,291.30-20,557,124.16-6,420,530.43

Finding the Fourth Proportional to 13,706,291.30, 20,557,124.16 and 6,420,530.43

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Solution

The fourth proportional to 13,706,291.30, 20,557,124.16 and 6,420,530.43 is: 9,629,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,291.30 : 20,557,124.16 = 6,420,530.43 : x
  2. Step 2: Convert to fraction form
    13,706,291.30/20,557,124.16 = 6,420,530.43/x
  3. Step 3: Cross multiply
    13,706,291.30x = 20,557,124.16 × 6,420,530.43
  4. Step 4: Simplify right side
    13,706,291.30x = 131,987,641,256,308.11
  5. Step 5: Solve for x
    x = 131,987,641,256,308.11/13,706,291.30
  6. Step 6: Final answer
    x = 9,629,712.25

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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.