Home / 7,200,412.56-10,800,330.66-3,968,357.22

Finding the Fourth Proportional to 7,200,412.56, 10,800,330.66 and 3,968,357.22

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Solution

The fourth proportional to 7,200,412.56, 10,800,330.66 and 3,968,357.22 is: 5,952,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,412.56 : 10,800,330.66 = 3,968,357.22 : x
  2. Step 2: Convert to fraction form
    7,200,412.56/10,800,330.66 = 3,968,357.22/x
  3. Step 3: Cross multiply
    7,200,412.56x = 10,800,330.66 × 3,968,357.22
  4. Step 4: Simplify right side
    7,200,412.56x = 42,859,570,152,998.37
  5. Step 5: Solve for x
    x = 42,859,570,152,998.37/7,200,412.56
  6. Step 6: Final answer
    x = 5,952,377.01

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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.