Home / 12,070,199.80-18,081,680.10-7,263,611.20

Finding the Fourth Proportional to 12,070,199.80, 18,081,680.10 and 7,263,611.20

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Solution

The fourth proportional to 12,070,199.80, 18,081,680.10 and 7,263,611.20 is: 10,881,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,199.80 : 18,081,680.10 = 7,263,611.20 : x
  2. Step 2: Convert to fraction form
    12,070,199.80/18,081,680.10 = 7,263,611.20/x
  3. Step 3: Cross multiply
    12,070,199.80x = 18,081,680.10 × 7,263,611.20
  4. Step 4: Simplify right side
    12,070,199.80x = 131,338,294,089,177.14
  5. Step 5: Solve for x
    x = 131,338,294,089,177.14/12,070,199.80
  6. Step 6: Final answer
    x = 10,881,202.98

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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.