Home / 7,179,608.40-10,769,412.60-5,164,069.20

Finding the Fourth Proportional to 7,179,608.40, 10,769,412.60 and 5,164,069.20

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Solution

The fourth proportional to 7,179,608.40, 10,769,412.60 and 5,164,069.20 is: 7,746,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,608.40 : 10,769,412.60 = 5,164,069.20 : x
  2. Step 2: Convert to fraction form
    7,179,608.40/10,769,412.60 = 5,164,069.20/x
  3. Step 3: Cross multiply
    7,179,608.40x = 10,769,412.60 × 5,164,069.20
  4. Step 4: Simplify right side
    7,179,608.40x = 55,613,991,909,751.92
  5. Step 5: Solve for x
    x = 55,613,991,909,751.92/7,179,608.40
  6. Step 6: Final answer
    x = 7,746,103.80

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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.