Home / 8,905,542.55-12,289,672.16-4,831,161.55

Finding the Fourth Proportional to 8,905,542.55, 12,289,672.16 and 4,831,161.55

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Solution

The fourth proportional to 8,905,542.55, 12,289,672.16 and 4,831,161.55 is: 6,667,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,542.55 : 12,289,672.16 = 4,831,161.55 : x
  2. Step 2: Convert to fraction form
    8,905,542.55/12,289,672.16 = 4,831,161.55/x
  3. Step 3: Cross multiply
    8,905,542.55x = 12,289,672.16 × 4,831,161.55
  4. Step 4: Simplify right side
    8,905,542.55x = 59,373,391,601,497.45
  5. Step 5: Solve for x
    x = 59,373,391,601,497.45/8,905,542.55
  6. Step 6: Final answer
    x = 6,667,015.66

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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.