Home / 15,588,945.64-21,512,737.38-9,150,417.64

Finding the Fourth Proportional to 15,588,945.64, 21,512,737.38 and 9,150,417.64

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Solution

The fourth proportional to 15,588,945.64, 21,512,737.38 and 9,150,417.64 is: 12,627,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,945.64 : 21,512,737.38 = 9,150,417.64 : x
  2. Step 2: Convert to fraction form
    15,588,945.64/21,512,737.38 = 9,150,417.64/x
  3. Step 3: Cross multiply
    15,588,945.64x = 21,512,737.38 × 9,150,417.64
  4. Step 4: Simplify right side
    15,588,945.64x = 196,850,531,606,639.38
  5. Step 5: Solve for x
    x = 196,850,531,606,639.38/15,588,945.64
  6. Step 6: Final answer
    x = 12,627,571.88

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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.