Home / 13,423,903.45-20,136,650.96-4,203,600.46

Finding the Fourth Proportional to 13,423,903.45, 20,136,650.96 and 4,203,600.46

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Solution

The fourth proportional to 13,423,903.45, 20,136,650.96 and 4,203,600.46 is: 6,305,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,903.45 : 20,136,650.96 = 4,203,600.46 : x
  2. Step 2: Convert to fraction form
    13,423,903.45/20,136,650.96 = 4,203,600.46/x
  3. Step 3: Cross multiply
    13,423,903.45x = 20,136,650.96 × 4,203,600.46
  4. Step 4: Simplify right side
    13,423,903.45x = 84,646,435,227,806.44
  5. Step 5: Solve for x
    x = 84,646,435,227,806.44/13,423,903.45
  6. Step 6: Final answer
    x = 6,305,649.89

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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.