Home / 7,955,496.42-11,939,187.60-5,390,629.80

Finding the Fourth Proportional to 7,955,496.42, 11,939,187.60 and 5,390,629.80

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Solution

The fourth proportional to 7,955,496.42, 11,939,187.60 and 5,390,629.80 is: 8,089,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955,496.42 : 11,939,187.60 = 5,390,629.80 : x
  2. Step 2: Convert to fraction form
    7,955,496.42/11,939,187.60 = 5,390,629.80/x
  3. Step 3: Cross multiply
    7,955,496.42x = 11,939,187.60 × 5,390,629.80
  4. Step 4: Simplify right side
    7,955,496.42x = 64,359,740,464,350.48
  5. Step 5: Solve for x
    x = 64,359,740,464,350.48/7,955,496.42
  6. Step 6: Final answer
    x = 8,089,971.65

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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.