Home / 8,685,321.90-13,021,684.29-5,838,372.78

Finding the Fourth Proportional to 8,685,321.90, 13,021,684.29 and 5,838,372.78

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Solution

The fourth proportional to 8,685,321.90, 13,021,684.29 and 5,838,372.78 is: 8,753,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,321.90 : 13,021,684.29 = 5,838,372.78 : x
  2. Step 2: Convert to fraction form
    8,685,321.90/13,021,684.29 = 5,838,372.78/x
  3. Step 3: Cross multiply
    8,685,321.90x = 13,021,684.29 × 5,838,372.78
  4. Step 4: Simplify right side
    8,685,321.90x = 76,025,447,108,489.62
  5. Step 5: Solve for x
    x = 76,025,447,108,489.62/8,685,321.90
  6. Step 6: Final answer
    x = 8,753,325.21

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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.