Home / 12,879,805.37-17,774,338.88-7,373,158.07

Finding the Fourth Proportional to 12,879,805.37, 17,774,338.88 and 7,373,158.07

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Solution

The fourth proportional to 12,879,805.37, 17,774,338.88 and 7,373,158.07 is: 10,175,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,805.37 : 17,774,338.88 = 7,373,158.07 : x
  2. Step 2: Convert to fraction form
    12,879,805.37/17,774,338.88 = 7,373,158.07/x
  3. Step 3: Cross multiply
    12,879,805.37x = 17,774,338.88 × 7,373,158.07
  4. Step 4: Simplify right side
    12,879,805.37x = 131,053,010,159,556.81
  5. Step 5: Solve for x
    x = 131,053,010,159,556.81/12,879,805.37
  6. Step 6: Final answer
    x = 10,175,076.90

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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.