Home / 18,139,725.90-27,209,418.48-7,354,462.50

Finding the Fourth Proportional to 18,139,725.90, 27,209,418.48 and 7,354,462.50

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Solution

The fourth proportional to 18,139,725.90, 27,209,418.48 and 7,354,462.50 is: 11,031,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,725.90 : 27,209,418.48 = 7,354,462.50 : x
  2. Step 2: Convert to fraction form
    18,139,725.90/27,209,418.48 = 7,354,462.50/x
  3. Step 3: Cross multiply
    18,139,725.90x = 27,209,418.48 × 7,354,462.50
  4. Step 4: Simplify right side
    18,139,725.90x = 200,110,647,857,967
  5. Step 5: Solve for x
    x = 200,110,647,857,967/18,139,725.90
  6. Step 6: Final answer
    x = 11,031,624.68

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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.