Home / 8,401,201.88-12,602,678.60-3,213,801.30

Finding the Fourth Proportional to 8,401,201.88, 12,602,678.60 and 3,213,801.30

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Solution

The fourth proportional to 8,401,201.88, 12,602,678.60 and 3,213,801.30 is: 4,821,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401,201.88 : 12,602,678.60 = 3,213,801.30 : x
  2. Step 2: Convert to fraction form
    8,401,201.88/12,602,678.60 = 3,213,801.30/x
  3. Step 3: Cross multiply
    8,401,201.88x = 12,602,678.60 × 3,213,801.30
  4. Step 4: Simplify right side
    8,401,201.88x = 40,502,504,876,196.68
  5. Step 5: Solve for x
    x = 40,502,504,876,196.68/8,401,201.88
  6. Step 6: Final answer
    x = 4,821,036.97

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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.