Home / 7,667,667.40-11,525,120.70-7,242,514.60

Finding the Fourth Proportional to 7,667,667.40, 11,525,120.70 and 7,242,514.60

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Solution

The fourth proportional to 7,667,667.40, 11,525,120.70 and 7,242,514.60 is: 10,886,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667,667.40 : 11,525,120.70 = 7,242,514.60 : x
  2. Step 2: Convert to fraction form
    7,667,667.40/11,525,120.70 = 7,242,514.60/x
  3. Step 3: Cross multiply
    7,667,667.40x = 11,525,120.70 × 7,242,514.60
  4. Step 4: Simplify right side
    7,667,667.40x = 83,470,854,936,512.20
  5. Step 5: Solve for x
    x = 83,470,854,936,512.20/7,667,667.40
  6. Step 6: Final answer
    x = 10,886,081.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.