Home / 7,391,996.70-10,200,847.64-4,128,857.43

Finding the Fourth Proportional to 7,391,996.70, 10,200,847.64 and 4,128,857.43

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Solution

The fourth proportional to 7,391,996.70, 10,200,847.64 and 4,128,857.43 is: 5,697,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391,996.70 : 10,200,847.64 = 4,128,857.43 : x
  2. Step 2: Convert to fraction form
    7,391,996.70/10,200,847.64 = 4,128,857.43/x
  3. Step 3: Cross multiply
    7,391,996.70x = 10,200,847.64 × 4,128,857.43
  4. Step 4: Simplify right side
    7,391,996.70x = 42,117,845,550,067.68
  5. Step 5: Solve for x
    x = 42,117,845,550,067.68/7,391,996.70
  6. Step 6: Final answer
    x = 5,697,763.03

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1.5x scale

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.