Home / 13,607,727.65-20,401,328.97-8,215,096.96

Finding the Fourth Proportional to 13,607,727.65, 20,401,328.97 and 8,215,096.96

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Solution

The fourth proportional to 13,607,727.65, 20,401,328.97 and 8,215,096.96 is: 12,316,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607,727.65 : 20,401,328.97 = 8,215,096.96 : x
  2. Step 2: Convert to fraction form
    13,607,727.65/20,401,328.97 = 8,215,096.96/x
  3. Step 3: Cross multiply
    13,607,727.65x = 20,401,328.97 × 8,215,096.96
  4. Step 4: Simplify right side
    13,607,727.65x = 167,598,895,550,403.59
  5. Step 5: Solve for x
    x = 167,598,895,550,403.59/13,607,727.65
  6. Step 6: Final answer
    x = 12,316,449.88

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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.