Home / 19,018,343.28-28,541,135.53-8,096,190.45

Finding the Fourth Proportional to 19,018,343.28, 28,541,135.53 and 8,096,190.45

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Solution

The fourth proportional to 19,018,343.28, 28,541,135.53 and 8,096,190.45 is: 12,150,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,343.28 : 28,541,135.53 = 8,096,190.45 : x
  2. Step 2: Convert to fraction form
    19,018,343.28/28,541,135.53 = 8,096,190.45/x
  3. Step 3: Cross multiply
    19,018,343.28x = 28,541,135.53 × 8,096,190.45
  4. Step 4: Simplify right side
    19,018,343.28x = 231,074,468,870,892.09
  5. Step 5: Solve for x
    x = 231,074,468,870,892.09/19,018,343.28
  6. Step 6: Final answer
    x = 12,150,084.03

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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.