Home / 20,408,090.54-28,163,163.38-11,240,733.29

Finding the Fourth Proportional to 20,408,090.54, 28,163,163.38 and 11,240,733.29

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Solution

The fourth proportional to 20,408,090.54, 28,163,163.38 and 11,240,733.29 is: 15,512,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408,090.54 : 28,163,163.38 = 11,240,733.29 : x
  2. Step 2: Convert to fraction form
    20,408,090.54/28,163,163.38 = 11,240,733.29/x
  3. Step 3: Cross multiply
    20,408,090.54x = 28,163,163.38 × 11,240,733.29
  4. Step 4: Simplify right side
    20,408,090.54x = 316,574,607,960,255.44
  5. Step 5: Solve for x
    x = 316,574,607,960,255.44/20,408,090.54
  6. Step 6: Final answer
    x = 15,512,211.07

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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.