Home / 8,401,201.13-12,602,677.48-3,213,800.55

Finding the Fourth Proportional to 8,401,201.13, 12,602,677.48 and 3,213,800.55

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Solution

The fourth proportional to 8,401,201.13, 12,602,677.48 and 3,213,800.55 is: 4,821,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401,201.13 : 12,602,677.48 = 3,213,800.55 : x
  2. Step 2: Convert to fraction form
    8,401,201.13/12,602,677.48 = 3,213,800.55/x
  3. Step 3: Cross multiply
    8,401,201.13x = 12,602,677.48 × 3,213,800.55
  4. Step 4: Simplify right side
    8,401,201.13x = 40,502,491,808,662.11
  5. Step 5: Solve for x
    x = 40,502,491,808,662.11/8,401,201.13
  6. Step 6: Final answer
    x = 4,821,035.85

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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.