Home / 30,146,564.43-45,220,120.01-8,581,157.64

Finding the Fourth Proportional to 30,146,564.43, 45,220,120.01 and 8,581,157.64

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Solution

The fourth proportional to 30,146,564.43, 45,220,120.01 and 8,581,157.64 is: 12,871,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,564.43 : 45,220,120.01 = 8,581,157.64 : x
  2. Step 2: Convert to fraction form
    30,146,564.43/45,220,120.01 = 8,581,157.64/x
  3. Step 3: Cross multiply
    30,146,564.43x = 45,220,120.01 × 8,581,157.64
  4. Step 4: Simplify right side
    30,146,564.43x = 388,040,978,305,528.38
  5. Step 5: Solve for x
    x = 388,040,978,305,528.38/30,146,564.43
  6. Step 6: Final answer
    x = 12,871,814.27

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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.