Home / 11,657,056.33-16,089,621.27-7,942,035.07

Finding the Fourth Proportional to 11,657,056.33, 16,089,621.27 and 7,942,035.07

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Solution

The fourth proportional to 11,657,056.33, 16,089,621.27 and 7,942,035.07 is: 10,961,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,056.33 : 16,089,621.27 = 7,942,035.07 : x
  2. Step 2: Convert to fraction form
    11,657,056.33/16,089,621.27 = 7,942,035.07/x
  3. Step 3: Cross multiply
    11,657,056.33x = 16,089,621.27 × 7,942,035.07
  4. Step 4: Simplify right side
    11,657,056.33x = 127,784,336,349,647.77
  5. Step 5: Solve for x
    x = 127,784,336,349,647.77/11,657,056.33
  6. Step 6: Final answer
    x = 10,961,972.97

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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.