Home / 13,191,270.96-18,203,913.36-7,311,280.08

Finding the Fourth Proportional to 13,191,270.96, 18,203,913.36 and 7,311,280.08

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Solution

The fourth proportional to 13,191,270.96, 18,203,913.36 and 7,311,280.08 is: 10,089,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,270.96 : 18,203,913.36 = 7,311,280.08 : x
  2. Step 2: Convert to fraction form
    13,191,270.96/18,203,913.36 = 7,311,280.08/x
  3. Step 3: Cross multiply
    13,191,270.96x = 18,203,913.36 × 7,311,280.08
  4. Step 4: Simplify right side
    13,191,270.96x = 133,093,909,127,013.86
  5. Step 5: Solve for x
    x = 133,093,909,127,013.86/13,191,270.96
  6. Step 6: Final answer
    x = 10,089,544.03

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