Home / 20,467,852.34-28,235,439.32-12,202,090.30

Finding the Fourth Proportional to 20,467,852.34, 28,235,439.32 and 12,202,090.30

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Solution

The fourth proportional to 20,467,852.34, 28,235,439.32 and 12,202,090.30 is: 16,832,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,852.34 : 28,235,439.32 = 12,202,090.30 : x
  2. Step 2: Convert to fraction form
    20,467,852.34/28,235,439.32 = 12,202,090.30/x
  3. Step 3: Cross multiply
    20,467,852.34x = 28,235,439.32 × 12,202,090.30
  4. Step 4: Simplify right side
    20,467,852.34x = 344,531,380,242,810.62
  5. Step 5: Solve for x
    x = 344,531,380,242,810.62/20,467,852.34
  6. Step 6: Final answer
    x = 16,832,805.64

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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.