Home / 9,559,623.78-13,192,114.41-5,208,745.84

Finding the Fourth Proportional to 9,559,623.78, 13,192,114.41 and 5,208,745.84

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Solution

The fourth proportional to 9,559,623.78, 13,192,114.41 and 5,208,745.84 is: 7,187,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559,623.78 : 13,192,114.41 = 5,208,745.84 : x
  2. Step 2: Convert to fraction form
    9,559,623.78/13,192,114.41 = 5,208,745.84/x
  3. Step 3: Cross multiply
    9,559,623.78x = 13,192,114.41 × 5,208,745.84
  4. Step 4: Simplify right side
    9,559,623.78x = 68,714,371,020,911.27
  5. Step 5: Solve for x
    x = 68,714,371,020,911.27/9,559,623.78
  6. Step 6: Final answer
    x = 7,187,978.59

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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.