Home / 15,098,416.20-20,821,391.82-10,148,039.64

Finding the Fourth Proportional to 15,098,416.20, 20,821,391.82 and 10,148,039.64

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Solution

The fourth proportional to 15,098,416.20, 20,821,391.82 and 10,148,039.64 is: 13,994,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098,416.20 : 20,821,391.82 = 10,148,039.64 : x
  2. Step 2: Convert to fraction form
    15,098,416.20/20,821,391.82 = 10,148,039.64/x
  3. Step 3: Cross multiply
    15,098,416.20x = 20,821,391.82 × 10,148,039.64
  4. Step 4: Simplify right side
    15,098,416.20x = 211,296,309,549,331.75
  5. Step 5: Solve for x
    x = 211,296,309,549,331.75/15,098,416.20
  6. Step 6: Final answer
    x = 13,994,600.94

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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.