Home / 15,089,022.66-20,822,853.87-8,213,504.34

Finding the Fourth Proportional to 15,089,022.66, 20,822,853.87 and 8,213,504.34

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Solution

The fourth proportional to 15,089,022.66, 20,822,853.87 and 8,213,504.34 is: 11,334,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089,022.66 : 20,822,853.87 = 8,213,504.34 : x
  2. Step 2: Convert to fraction form
    15,089,022.66/20,822,853.87 = 8,213,504.34/x
  3. Step 3: Cross multiply
    15,089,022.66x = 20,822,853.87 × 8,213,504.34
  4. Step 4: Simplify right side
    15,089,022.66x = 171,028,600,632,430.81
  5. Step 5: Solve for x
    x = 171,028,600,632,430.81/15,089,022.66
  6. Step 6: Final answer
    x = 11,334,637.40

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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.