Home / 43,467,407.20-65,201,110.80-13,171,333.60

Finding the Fourth Proportional to 43,467,407.20, 65,201,110.80 and 13,171,333.60

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Solution

The fourth proportional to 43,467,407.20, 65,201,110.80 and 13,171,333.60 is: 19,757,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467,407.20 : 65,201,110.80 = 13,171,333.60 : x
  2. Step 2: Convert to fraction form
    43,467,407.20/65,201,110.80 = 13,171,333.60/x
  3. Step 3: Cross multiply
    43,467,407.20x = 65,201,110.80 × 13,171,333.60
  4. Step 4: Simplify right side
    43,467,407.20x = 858,785,581,437,362.88
  5. Step 5: Solve for x
    x = 858,785,581,437,362.88/43,467,407.20
  6. Step 6: Final answer
    x = 19,757,000.40

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Similar ratio
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1.5x scale

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.