Home / 5,433,686.70-8,150,530.05-4,078,512.15

Finding the Fourth Proportional to 5,433,686.70, 8,150,530.05 and 4,078,512.15

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Solution

The fourth proportional to 5,433,686.70, 8,150,530.05 and 4,078,512.15 is: 6,117,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,686.70 : 8,150,530.05 = 4,078,512.15 : x
  2. Step 2: Convert to fraction form
    5,433,686.70/8,150,530.05 = 4,078,512.15/x
  3. Step 3: Cross multiply
    5,433,686.70x = 8,150,530.05 × 4,078,512.15
  4. Step 4: Simplify right side
    5,433,686.70x = 33,242,035,837,865.11
  5. Step 5: Solve for x
    x = 33,242,035,837,865.11/5,433,686.70
  6. Step 6: Final answer
    x = 6,117,768.23

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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.