Home / 7,115,110.34-9,818,840.13-3,851,923.82

Finding the Fourth Proportional to 7,115,110.34, 9,818,840.13 and 3,851,923.82

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Solution

The fourth proportional to 7,115,110.34, 9,818,840.13 and 3,851,923.82 is: 5,315,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,110.34 : 9,818,840.13 = 3,851,923.82 : x
  2. Step 2: Convert to fraction form
    7,115,110.34/9,818,840.13 = 3,851,923.82/x
  3. Step 3: Cross multiply
    7,115,110.34x = 9,818,840.13 × 3,851,923.82
  4. Step 4: Simplify right side
    7,115,110.34x = 37,821,424,181,518.90
  5. Step 5: Solve for x
    x = 37,821,424,181,518.90/7,115,110.34
  6. Step 6: Final answer
    x = 5,315,648.30

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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.