Home / 19,431,367.21-29,147,047.17-5,784,713.20

Finding the Fourth Proportional to 19,431,367.21, 29,147,047.17 and 5,784,713.20

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Solution

The fourth proportional to 19,431,367.21, 29,147,047.17 and 5,784,713.20 is: 8,677,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,367.21 : 29,147,047.17 = 5,784,713.20 : x
  2. Step 2: Convert to fraction form
    19,431,367.21/29,147,047.17 = 5,784,713.20/x
  3. Step 3: Cross multiply
    19,431,367.21x = 29,147,047.17 × 5,784,713.20
  4. Step 4: Simplify right side
    19,431,367.21x = 168,607,308,505,321.66
  5. Step 5: Solve for x
    x = 168,607,308,505,321.66/19,431,367.21
  6. Step 6: Final answer
    x = 8,677,068.71

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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.