Home / 21,404,722.20-29,538,596.18-11,615,168.42

Finding the Fourth Proportional to 21,404,722.20, 29,538,596.18 and 11,615,168.42

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Solution

The fourth proportional to 21,404,722.20, 29,538,596.18 and 11,615,168.42 is: 16,028,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404,722.20 : 29,538,596.18 = 11,615,168.42 : x
  2. Step 2: Convert to fraction form
    21,404,722.20/29,538,596.18 = 11,615,168.42/x
  3. Step 3: Cross multiply
    21,404,722.20x = 29,538,596.18 × 11,615,168.42
  4. Step 4: Simplify right side
    21,404,722.20x = 343,095,769,315,299.81
  5. Step 5: Solve for x
    x = 343,095,769,315,299.81/21,404,722.20
  6. Step 6: Final answer
    x = 16,028,975.57

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1.5x scale

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.