Home / 30,704,247.37-42,354,098.67-19,839,231.37

Finding the Fourth Proportional to 30,704,247.37, 42,354,098.67 and 19,839,231.37

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Solution

The fourth proportional to 30,704,247.37, 42,354,098.67 and 19,839,231.37 is: 27,366,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704,247.37 : 42,354,098.67 = 19,839,231.37 : x
  2. Step 2: Convert to fraction form
    30,704,247.37/42,354,098.67 = 19,839,231.37/x
  3. Step 3: Cross multiply
    30,704,247.37x = 42,354,098.67 × 19,839,231.37
  4. Step 4: Simplify right side
    30,704,247.37x = 840,272,762,981,939.38
  5. Step 5: Solve for x
    x = 840,272,762,981,939.38/30,704,247.37
  6. Step 6: Final answer
    x = 27,366,662.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.