Home / 15,747,632.18-21,731,732.72-8,504,288.18

Finding the Fourth Proportional to 15,747,632.18, 21,731,732.72 and 8,504,288.18

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Solution

The fourth proportional to 15,747,632.18, 21,731,732.72 and 8,504,288.18 is: 11,735,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747,632.18 : 21,731,732.72 = 8,504,288.18 : x
  2. Step 2: Convert to fraction form
    15,747,632.18/21,731,732.72 = 8,504,288.18/x
  3. Step 3: Cross multiply
    15,747,632.18x = 21,731,732.72 × 8,504,288.18
  4. Step 4: Simplify right side
    15,747,632.18x = 184,812,917,701,615.22
  5. Step 5: Solve for x
    x = 184,812,917,701,615.22/15,747,632.18
  6. Step 6: Final answer
    x = 11,735,917.86

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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.