Home / 18,372,580.93-27,558,943.49-7,442,977.29

Finding the Fourth Proportional to 18,372,580.93, 27,558,943.49 and 7,442,977.29

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Solution

The fourth proportional to 18,372,580.93, 27,558,943.49 and 7,442,977.29 is: 11,164,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,580.93 : 27,558,943.49 = 7,442,977.29 : x
  2. Step 2: Convert to fraction form
    18,372,580.93/27,558,943.49 = 7,442,977.29/x
  3. Step 3: Cross multiply
    18,372,580.93x = 27,558,943.49 × 7,442,977.29
  4. Step 4: Simplify right side
    18,372,580.93x = 205,120,590,532,463.34
  5. Step 5: Solve for x
    x = 205,120,590,532,463.34/18,372,580.93
  6. Step 6: Final answer
    x = 11,164,495.14

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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.