Home / 7,170,211.48-9,894,763.56-3,907,054.48

Finding the Fourth Proportional to 7,170,211.48, 9,894,763.56 and 3,907,054.48

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Solution

The fourth proportional to 7,170,211.48, 9,894,763.56 and 3,907,054.48 is: 5,391,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,211.48 : 9,894,763.56 = 3,907,054.48 : x
  2. Step 2: Convert to fraction form
    7,170,211.48/9,894,763.56 = 3,907,054.48/x
  3. Step 3: Cross multiply
    7,170,211.48x = 9,894,763.56 × 3,907,054.48
  4. Step 4: Simplify right side
    7,170,211.48x = 38,659,380,295,638.75
  5. Step 5: Solve for x
    x = 38,659,380,295,638.75/7,170,211.48
  6. Step 6: Final answer
    x = 5,391,665.28

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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.