Home / 18,112,077.70-27,199,609.35-9,609,021.70

Finding the Fourth Proportional to 18,112,077.70, 27,199,609.35 and 9,609,021.70

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Solution

The fourth proportional to 18,112,077.70, 27,199,609.35 and 9,609,021.70 is: 14,430,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,077.70 : 27,199,609.35 = 9,609,021.70 : x
  2. Step 2: Convert to fraction form
    18,112,077.70/27,199,609.35 = 9,609,021.70/x
  3. Step 3: Cross multiply
    18,112,077.70x = 27,199,609.35 × 9,609,021.70
  4. Step 4: Simplify right side
    18,112,077.70x = 261,361,636,475,672.88
  5. Step 5: Solve for x
    x = 261,361,636,475,672.88/18,112,077.70
  6. Step 6: Final answer
    x = 14,430,240.46

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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.