Home / 13,504,650.17-18,636,416.70-7,393,078.67

Finding the Fourth Proportional to 13,504,650.17, 18,636,416.70 and 7,393,078.67

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Solution

The fourth proportional to 13,504,650.17, 18,636,416.70 and 7,393,078.67 is: 10,202,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,650.17 : 18,636,416.70 = 7,393,078.67 : x
  2. Step 2: Convert to fraction form
    13,504,650.17/18,636,416.70 = 7,393,078.67/x
  3. Step 3: Cross multiply
    13,504,650.17x = 18,636,416.70 × 7,393,078.67
  4. Step 4: Simplify right side
    13,504,650.17x = 137,780,494,790,001.78
  5. Step 5: Solve for x
    x = 137,780,494,790,001.78/13,504,650.17
  6. Step 6: Final answer
    x = 10,202,448.27

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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.