Home / 7,898,238.17-11,847,816.53-2,218,905.35

Finding the Fourth Proportional to 7,898,238.17, 11,847,816.53 and 2,218,905.35

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Solution

The fourth proportional to 7,898,238.17, 11,847,816.53 and 2,218,905.35 is: 3,328,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,238.17 : 11,847,816.53 = 2,218,905.35 : x
  2. Step 2: Convert to fraction form
    7,898,238.17/11,847,816.53 = 2,218,905.35/x
  3. Step 3: Cross multiply
    7,898,238.17x = 11,847,816.53 × 2,218,905.35
  4. Step 4: Simplify right side
    7,898,238.17x = 26,289,183,484,235.43
  5. Step 5: Solve for x
    x = 26,289,183,484,235.43/7,898,238.17
  6. Step 6: Final answer
    x = 3,328,487.05

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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.