Home / 8,401,205.88-12,602,684.60-3,213,805.30

Finding the Fourth Proportional to 8,401,205.88, 12,602,684.60 and 3,213,805.30

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Solution

The fourth proportional to 8,401,205.88, 12,602,684.60 and 3,213,805.30 is: 4,821,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401,205.88 : 12,602,684.60 = 3,213,805.30 : x
  2. Step 2: Convert to fraction form
    8,401,205.88/12,602,684.60 = 3,213,805.30/x
  3. Step 3: Cross multiply
    8,401,205.88x = 12,602,684.60 × 3,213,805.30
  4. Step 4: Simplify right side
    8,401,205.88x = 40,502,574,561,708.38
  5. Step 5: Solve for x
    x = 40,502,574,561,708.38/8,401,205.88
  6. Step 6: Final answer
    x = 4,821,042.97

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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.