Home / 7,450,751.70-11,167,270.20-6,689,019.60

Finding the Fourth Proportional to 7,450,751.70, 11,167,270.20 and 6,689,019.60

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Solution

The fourth proportional to 7,450,751.70, 11,167,270.20 and 6,689,019.60 is: 10,025,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450,751.70 : 11,167,270.20 = 6,689,019.60 : x
  2. Step 2: Convert to fraction form
    7,450,751.70/11,167,270.20 = 6,689,019.60/x
  3. Step 3: Cross multiply
    7,450,751.70x = 11,167,270.20 × 6,689,019.60
  4. Step 4: Simplify right side
    7,450,751.70x = 74,698,089,246,295.91
  5. Step 5: Solve for x
    x = 74,698,089,246,295.91/7,450,751.70
  6. Step 6: Final answer
    x = 10,025,577.59

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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.