Home / 5,355,072.78-8,032,889.69-4,077,683.75

Finding the Fourth Proportional to 5,355,072.78, 8,032,889.69 and 4,077,683.75

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Solution

The fourth proportional to 5,355,072.78, 8,032,889.69 and 4,077,683.75 is: 6,116,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,072.78 : 8,032,889.69 = 4,077,683.75 : x
  2. Step 2: Convert to fraction form
    5,355,072.78/8,032,889.69 = 4,077,683.75/x
  3. Step 3: Cross multiply
    5,355,072.78x = 8,032,889.69 × 4,077,683.75
  4. Step 4: Simplify right side
    5,355,072.78x = 32,755,583,739,317.32
  5. Step 5: Solve for x
    x = 32,755,583,739,317.32/5,355,072.78
  6. Step 6: Final answer
    x = 6,116,739.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.