Home / 13,755,132.30-20,632,698.45-12,579,401.10

Finding the Fourth Proportional to 13,755,132.30, 20,632,698.45 and 12,579,401.10

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Solution

The fourth proportional to 13,755,132.30, 20,632,698.45 and 12,579,401.10 is: 18,869,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,132.30 : 20,632,698.45 = 12,579,401.10 : x
  2. Step 2: Convert to fraction form
    13,755,132.30/20,632,698.45 = 12,579,401.10/x
  3. Step 3: Cross multiply
    13,755,132.30x = 20,632,698.45 × 12,579,401.10
  4. Step 4: Simplify right side
    13,755,132.30x = 259,546,989,577,898.28
  5. Step 5: Solve for x
    x = 259,546,989,577,898.28/13,755,132.30
  6. Step 6: Final answer
    x = 18,869,101.65

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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.