Home / 14,978,990.66-20,670,956.73-8,103,474.54

Finding the Fourth Proportional to 14,978,990.66, 20,670,956.73 and 8,103,474.54

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Solution

The fourth proportional to 14,978,990.66, 20,670,956.73 and 8,103,474.54 is: 11,182,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,990.66 : 20,670,956.73 = 8,103,474.54 : x
  2. Step 2: Convert to fraction form
    14,978,990.66/20,670,956.73 = 8,103,474.54/x
  3. Step 3: Cross multiply
    14,978,990.66x = 20,670,956.73 × 8,103,474.54
  4. Step 4: Simplify right side
    14,978,990.66x = 167,506,571,578,996.66
  5. Step 5: Solve for x
    x = 167,506,571,578,996.66/14,978,990.66
  6. Step 6: Final answer
    x = 11,182,767.61

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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.