Home / 7,131,683.80-10,697,525.70-6,515,824.60

Finding the Fourth Proportional to 7,131,683.80, 10,697,525.70 and 6,515,824.60

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Solution

The fourth proportional to 7,131,683.80, 10,697,525.70 and 6,515,824.60 is: 9,773,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,683.80 : 10,697,525.70 = 6,515,824.60 : x
  2. Step 2: Convert to fraction form
    7,131,683.80/10,697,525.70 = 6,515,824.60/x
  3. Step 3: Cross multiply
    7,131,683.80x = 10,697,525.70 × 6,515,824.60
  4. Step 4: Simplify right side
    7,131,683.80x = 69,703,201,115,192.21
  5. Step 5: Solve for x
    x = 69,703,201,115,192.21/7,131,683.80
  6. Step 6: Final answer
    x = 9,773,736.90

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Similar ratio
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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.