Home / 18,384,153.90-25,368,963.24-11,042,296.50

Finding the Fourth Proportional to 18,384,153.90, 25,368,963.24 and 11,042,296.50

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Solution

The fourth proportional to 18,384,153.90, 25,368,963.24 and 11,042,296.50 is: 15,237,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384,153.90 : 25,368,963.24 = 11,042,296.50 : x
  2. Step 2: Convert to fraction form
    18,384,153.90/25,368,963.24 = 11,042,296.50/x
  3. Step 3: Cross multiply
    18,384,153.90x = 25,368,963.24 × 11,042,296.50
  4. Step 4: Simplify right side
    18,384,153.90x = 280,131,613,993,680.66
  5. Step 5: Solve for x
    x = 280,131,613,993,680.66/18,384,153.90
  6. Step 6: Final answer
    x = 15,237,666.93

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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.