Home / 6,731,594.81-10,089,912.66-5,128,873.73

Finding the Fourth Proportional to 6,731,594.81, 10,089,912.66 and 5,128,873.73

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Solution

The fourth proportional to 6,731,594.81, 10,089,912.66 and 5,128,873.73 is: 7,687,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731,594.81 : 10,089,912.66 = 5,128,873.73 : x
  2. Step 2: Convert to fraction form
    6,731,594.81/10,089,912.66 = 5,128,873.73/x
  3. Step 3: Cross multiply
    6,731,594.81x = 10,089,912.66 × 5,128,873.73
  4. Step 4: Simplify right side
    6,731,594.81x = 51,749,887,979,868.43
  5. Step 5: Solve for x
    x = 51,749,887,979,868.43/6,731,594.81
  6. Step 6: Final answer
    x = 7,687,611.84

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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.