Home / 13,460,679.61-20,196,108.03-5,269,176.12

Finding the Fourth Proportional to 13,460,679.61, 20,196,108.03 and 5,269,176.12

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Solution

The fourth proportional to 13,460,679.61, 20,196,108.03 and 5,269,176.12 is: 7,905,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,679.61 : 20,196,108.03 = 5,269,176.12 : x
  2. Step 2: Convert to fraction form
    13,460,679.61/20,196,108.03 = 5,269,176.12/x
  3. Step 3: Cross multiply
    13,460,679.61x = 20,196,108.03 × 5,269,176.12
  4. Step 4: Simplify right side
    13,460,679.61x = 106,416,850,092,640.25
  5. Step 5: Solve for x
    x = 106,416,850,092,640.25/13,460,679.61
  6. Step 6: Final answer
    x = 7,905,756.11

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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.