Home / 5,089,615.76-7,021,328.65-4,509,431.09

Finding the Fourth Proportional to 5,089,615.76, 7,021,328.65 and 4,509,431.09

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Solution

The fourth proportional to 5,089,615.76, 7,021,328.65 and 4,509,431.09 is: 6,220,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089,615.76 : 7,021,328.65 = 4,509,431.09 : x
  2. Step 2: Convert to fraction form
    5,089,615.76/7,021,328.65 = 4,509,431.09/x
  3. Step 3: Cross multiply
    5,089,615.76x = 7,021,328.65 × 4,509,431.09
  4. Step 4: Simplify right side
    5,089,615.76x = 31,662,197,672,311.09
  5. Step 5: Solve for x
    x = 31,662,197,672,311.09/5,089,615.76
  6. Step 6: Final answer
    x = 6,220,940.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.