Home / 20,614,965.75-28,448,994.54-11,323,394.55

Finding the Fourth Proportional to 20,614,965.75, 28,448,994.54 and 11,323,394.55

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Solution

The fourth proportional to 20,614,965.75, 28,448,994.54 and 11,323,394.55 is: 15,626,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,965.75 : 28,448,994.54 = 11,323,394.55 : x
  2. Step 2: Convert to fraction form
    20,614,965.75/28,448,994.54 = 11,323,394.55/x
  3. Step 3: Cross multiply
    20,614,965.75x = 28,448,994.54 × 11,323,394.55
  4. Step 4: Simplify right side
    20,614,965.75x = 322,139,189,727,215.75
  5. Step 5: Solve for x
    x = 322,139,189,727,215.75/20,614,965.75
  6. Step 6: Final answer
    x = 15,626,472.23

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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.