Home / 20,185,505.10-30,285,256.05-8,834,100.30

Finding the Fourth Proportional to 20,185,505.10, 30,285,256.05 and 8,834,100.30

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Solution

The fourth proportional to 20,185,505.10, 30,285,256.05 and 8,834,100.30 is: 13,254,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,505.10 : 30,285,256.05 = 8,834,100.30 : x
  2. Step 2: Convert to fraction form
    20,185,505.10/30,285,256.05 = 8,834,100.30/x
  3. Step 3: Cross multiply
    20,185,505.10x = 30,285,256.05 × 8,834,100.30
  4. Step 4: Simplify right side
    20,185,505.10x = 267,542,989,556,881.84
  5. Step 5: Solve for x
    x = 267,542,989,556,881.84/20,185,505.10
  6. Step 6: Final answer
    x = 13,254,213.27

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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.