Home / 14,765,747.66-20,373,688.85-8,485,060.31

Finding the Fourth Proportional to 14,765,747.66, 20,373,688.85 and 8,485,060.31

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Solution

The fourth proportional to 14,765,747.66, 20,373,688.85 and 8,485,060.31 is: 11,707,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765,747.66 : 20,373,688.85 = 8,485,060.31 : x
  2. Step 2: Convert to fraction form
    14,765,747.66/20,373,688.85 = 8,485,060.31/x
  3. Step 3: Cross multiply
    14,765,747.66x = 20,373,688.85 × 8,485,060.31
  4. Step 4: Simplify right side
    14,765,747.66x = 172,871,978,485,130.78
  5. Step 5: Solve for x
    x = 172,871,978,485,130.78/14,765,747.66
  6. Step 6: Final answer
    x = 11,707,634.62

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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.