Home / 28,771,213.80-43,151,291.10-8,577,114.60

Finding the Fourth Proportional to 28,771,213.80, 43,151,291.10 and 8,577,114.60

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Solution

The fourth proportional to 28,771,213.80, 43,151,291.10 and 8,577,114.60 is: 12,864,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,213.80 : 43,151,291.10 = 8,577,114.60 : x
  2. Step 2: Convert to fraction form
    28,771,213.80/43,151,291.10 = 8,577,114.60/x
  3. Step 3: Cross multiply
    28,771,213.80x = 43,151,291.10 × 8,577,114.60
  4. Step 4: Simplify right side
    28,771,213.80x = 370,113,568,902,660.06
  5. Step 5: Solve for x
    x = 370,113,568,902,660.06/28,771,213.80
  6. Step 6: Final answer
    x = 12,864,023.45

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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.