Home / 7,089,620.28-9,783,626.22-3,870,356.28

Finding the Fourth Proportional to 7,089,620.28, 9,783,626.22 and 3,870,356.28

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Solution

The fourth proportional to 7,089,620.28, 9,783,626.22 and 3,870,356.28 is: 5,341,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089,620.28 : 9,783,626.22 = 3,870,356.28 : x
  2. Step 2: Convert to fraction form
    7,089,620.28/9,783,626.22 = 3,870,356.28/x
  3. Step 3: Cross multiply
    7,089,620.28x = 9,783,626.22 × 3,870,356.28
  4. Step 4: Simplify right side
    7,089,620.28x = 37,866,119,181,749.66
  5. Step 5: Solve for x
    x = 37,866,119,181,749.66/7,089,620.28
  6. Step 6: Final answer
    x = 5,341,064.50

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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.