Home / 20,093,925.63-30,102,857.10-11,871,979.92

Finding the Fourth Proportional to 20,093,925.63, 30,102,857.10 and 11,871,979.92

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Solution

The fourth proportional to 20,093,925.63, 30,102,857.10 and 11,871,979.92 is: 17,785,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093,925.63 : 30,102,857.10 = 11,871,979.92 : x
  2. Step 2: Convert to fraction form
    20,093,925.63/30,102,857.10 = 11,871,979.92/x
  3. Step 3: Cross multiply
    20,093,925.63x = 30,102,857.10 × 11,871,979.92
  4. Step 4: Simplify right side
    20,093,925.63x = 357,380,515,025,829.44
  5. Step 5: Solve for x
    x = 357,380,515,025,829.44/20,093,925.63
  6. Step 6: Final answer
    x = 17,785,500.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.