Home / 5,136,969.16-7,089,069.54-3,099,385

Finding the Fourth Proportional to 5,136,969.16, 7,089,069.54 and 3,099,385

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Solution

The fourth proportional to 5,136,969.16, 7,089,069.54 and 3,099,385 is: 4,277,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,969.16 : 7,089,069.54 = 3,099,385 : x
  2. Step 2: Convert to fraction form
    5,136,969.16/7,089,069.54 = 3,099,385/x
  3. Step 3: Cross multiply
    5,136,969.16x = 7,089,069.54 × 3,099,385
  4. Step 4: Simplify right side
    5,136,969.16x = 21,971,755,796,232.90
  5. Step 5: Solve for x
    x = 21,971,755,796,232.90/5,136,969.16
  6. Step 6: Final answer
    x = 4,277,182.73

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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.