Home / 7,139,927.88-9,852,109.20-4,199,878.44

Finding the Fourth Proportional to 7,139,927.88, 9,852,109.20 and 4,199,878.44

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Solution

The fourth proportional to 7,139,927.88, 9,852,109.20 and 4,199,878.44 is: 5,795,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,927.88 : 9,852,109.20 = 4,199,878.44 : x
  2. Step 2: Convert to fraction form
    7,139,927.88/9,852,109.20 = 4,199,878.44/x
  3. Step 3: Cross multiply
    7,139,927.88x = 9,852,109.20 × 4,199,878.44
  4. Step 4: Simplify right side
    7,139,927.88x = 41,377,661,017,605.65
  5. Step 5: Solve for x
    x = 41,377,661,017,605.65/7,139,927.88
  6. Step 6: Final answer
    x = 5,795,249.16

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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.