Home / 20,027,911.72-27,638,518.08-10,860,561.76

Finding the Fourth Proportional to 20,027,911.72, 27,638,518.08 and 10,860,561.76

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Solution

The fourth proportional to 20,027,911.72, 27,638,518.08 and 10,860,561.76 is: 14,987,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,911.72 : 27,638,518.08 = 10,860,561.76 : x
  2. Step 2: Convert to fraction form
    20,027,911.72/27,638,518.08 = 10,860,561.76/x
  3. Step 3: Cross multiply
    20,027,911.72x = 27,638,518.08 × 10,860,561.76
  4. Step 4: Simplify right side
    20,027,911.72x = 300,169,832,562,716.62
  5. Step 5: Solve for x
    x = 300,169,832,562,716.62/20,027,911.72
  6. Step 6: Final answer
    x = 14,987,575.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.