Home / 15,588,944.64-21,512,736-9,150,416.64

Finding the Fourth Proportional to 15,588,944.64, 21,512,736 and 9,150,416.64

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Solution

The fourth proportional to 15,588,944.64, 21,512,736 and 9,150,416.64 is: 12,627,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,944.64 : 21,512,736 = 9,150,416.64 : x
  2. Step 2: Convert to fraction form
    15,588,944.64/21,512,736 = 9,150,416.64/x
  3. Step 3: Cross multiply
    15,588,944.64x = 21,512,736 × 9,150,416.64
  4. Step 4: Simplify right side
    15,588,944.64x = 196,850,497,466,327.06
  5. Step 5: Solve for x
    x = 196,850,497,466,327.06/15,588,944.64
  6. Step 6: Final answer
    x = 12,627,570.50

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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.