Home / 7,667,668.40-11,525,122.20-7,242,515.60

Finding the Fourth Proportional to 7,667,668.40, 11,525,122.20 and 7,242,515.60

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Solution

The fourth proportional to 7,667,668.40, 11,525,122.20 and 7,242,515.60 is: 10,886,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667,668.40 : 11,525,122.20 = 7,242,515.60 : x
  2. Step 2: Convert to fraction form
    7,667,668.40/11,525,122.20 = 7,242,515.60/x
  3. Step 3: Cross multiply
    7,667,668.40x = 11,525,122.20 × 7,242,515.60
  4. Step 4: Simplify right side
    7,667,668.40x = 83,470,877,325,406.31
  5. Step 5: Solve for x
    x = 83,470,877,325,406.31/7,667,668.40
  6. Step 6: Final answer
    x = 10,886,083.35

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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.