Home / 20,408,224.44-28,163,347.20-11,240,867.22

Finding the Fourth Proportional to 20,408,224.44, 28,163,347.20 and 11,240,867.22

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Solution

The fourth proportional to 20,408,224.44, 28,163,347.20 and 11,240,867.22 is: 15,512,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408,224.44 : 28,163,347.20 = 11,240,867.22 : x
  2. Step 2: Convert to fraction form
    20,408,224.44/28,163,347.20 = 11,240,867.22/x
  3. Step 3: Cross multiply
    20,408,224.44x = 28,163,347.20 × 11,240,867.22
  4. Step 4: Simplify right side
    20,408,224.44x = 316,580,446,345,958.81
  5. Step 5: Solve for x
    x = 316,580,446,345,958.81/20,408,224.44
  6. Step 6: Final answer
    x = 15,512,395.37

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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.