Home / 9,789,939.67-13,510,341.87-5,379,939.49

Finding the Fourth Proportional to 9,789,939.67, 13,510,341.87 and 5,379,939.49

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Solution

The fourth proportional to 9,789,939.67, 13,510,341.87 and 5,379,939.49 is: 7,424,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,939.67 : 13,510,341.87 = 5,379,939.49 : x
  2. Step 2: Convert to fraction form
    9,789,939.67/13,510,341.87 = 5,379,939.49/x
  3. Step 3: Cross multiply
    9,789,939.67x = 13,510,341.87 × 5,379,939.49
  4. Step 4: Simplify right side
    9,789,939.67x = 72,684,821,749,813.44
  5. Step 5: Solve for x
    x = 72,684,821,749,813.44/9,789,939.67
  6. Step 6: Final answer
    x = 7,424,440.21

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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.