Home / 20,449,756.02-30,648,131.16-8,305,111.27

Finding the Fourth Proportional to 20,449,756.02, 30,648,131.16 and 8,305,111.27

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Solution

The fourth proportional to 20,449,756.02, 30,648,131.16 and 8,305,111.27 is: 12,446,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,756.02 : 30,648,131.16 = 8,305,111.27 : x
  2. Step 2: Convert to fraction form
    20,449,756.02/30,648,131.16 = 8,305,111.27/x
  3. Step 3: Cross multiply
    20,449,756.02x = 30,648,131.16 × 8,305,111.27
  4. Step 4: Simplify right side
    20,449,756.02x = 254,536,139,508,520.19
  5. Step 5: Solve for x
    x = 254,536,139,508,520.19/20,449,756.02
  6. Step 6: Final answer
    x = 12,446,903.48

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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.