Home / 7,131,071.80-10,696,607.70-6,515,212.60

Finding the Fourth Proportional to 7,131,071.80, 10,696,607.70 and 6,515,212.60

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Solution

The fourth proportional to 7,131,071.80, 10,696,607.70 and 6,515,212.60 is: 9,772,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,071.80 : 10,696,607.70 = 6,515,212.60 : x
  2. Step 2: Convert to fraction form
    7,131,071.80/10,696,607.70 = 6,515,212.60/x
  3. Step 3: Cross multiply
    7,131,071.80x = 10,696,607.70 × 6,515,212.60
  4. Step 4: Simplify right side
    7,131,071.80x = 69,690,673,264,297.01
  5. Step 5: Solve for x
    x = 69,690,673,264,297.01/7,131,071.80
  6. Step 6: Final answer
    x = 9,772,818.90

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Similar ratio
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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.