Home / 7,311,153.57-10,089,707.21-4,047,968.28

Finding the Fourth Proportional to 7,311,153.57, 10,089,707.21 and 4,047,968.28

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Solution

The fourth proportional to 7,311,153.57, 10,089,707.21 and 4,047,968.28 is: 5,586,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311,153.57 : 10,089,707.21 = 4,047,968.28 : x
  2. Step 2: Convert to fraction form
    7,311,153.57/10,089,707.21 = 4,047,968.28/x
  3. Step 3: Cross multiply
    7,311,153.57x = 10,089,707.21 × 4,047,968.28
  4. Step 4: Simplify right side
    7,311,153.57x = 40,842,814,720,327.45
  5. Step 5: Solve for x
    x = 40,842,814,720,327.45/7,311,153.57
  6. Step 6: Final answer
    x = 5,586,370.79

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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.