Home / 40,089,439.44-55,323,426.06-21,754,724.94

Finding the Fourth Proportional to 40,089,439.44, 55,323,426.06 and 21,754,724.94

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Solution

The fourth proportional to 40,089,439.44, 55,323,426.06 and 21,754,724.94 is: 30,021,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,439.44 : 55,323,426.06 = 21,754,724.94 : x
  2. Step 2: Convert to fraction form
    40,089,439.44/55,323,426.06 = 21,754,724.94/x
  3. Step 3: Cross multiply
    40,089,439.44x = 55,323,426.06 × 21,754,724.94
  4. Step 4: Simplify right side
    40,089,439.44x = 1,203,545,916,673,728
  5. Step 5: Solve for x
    x = 1,203,545,916,673,728/40,089,439.44
  6. Step 6: Final answer
    x = 30,021,520.22

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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.