Home / 10,914,470.72-16,383,061.52-8,039,084.32

Finding the Fourth Proportional to 10,914,470.72, 16,383,061.52 and 8,039,084.32

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Solution

The fourth proportional to 10,914,470.72, 16,383,061.52 and 8,039,084.32 is: 12,066,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914,470.72 : 16,383,061.52 = 8,039,084.32 : x
  2. Step 2: Convert to fraction form
    10,914,470.72/16,383,061.52 = 8,039,084.32/x
  3. Step 3: Cross multiply
    10,914,470.72x = 16,383,061.52 × 8,039,084.32
  4. Step 4: Simplify right side
    10,914,470.72x = 131,704,812,989,457.34
  5. Step 5: Solve for x
    x = 131,704,812,989,457.34/10,914,470.72
  6. Step 6: Final answer
    x = 12,066,990.36

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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.