Home / 15,871,728.77-21,904,698.12-8,995,472.72

Finding the Fourth Proportional to 15,871,728.77, 21,904,698.12 and 8,995,472.72

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Solution

The fourth proportional to 15,871,728.77, 21,904,698.12 and 8,995,472.72 is: 12,414,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871,728.77 : 21,904,698.12 = 8,995,472.72 : x
  2. Step 2: Convert to fraction form
    15,871,728.77/21,904,698.12 = 8,995,472.72/x
  3. Step 3: Cross multiply
    15,871,728.77x = 21,904,698.12 × 8,995,472.72
  4. Step 4: Simplify right side
    15,871,728.77x = 197,043,114,367,771.94
  5. Step 5: Solve for x
    x = 197,043,114,367,771.94/15,871,728.77
  6. Step 6: Final answer
    x = 12,414,722.88

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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.