Home / 12,310,846.32-16,989,847.56-6,804,102.72

Finding the Fourth Proportional to 12,310,846.32, 16,989,847.56 and 6,804,102.72

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Solution

The fourth proportional to 12,310,846.32, 16,989,847.56 and 6,804,102.72 is: 9,390,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,846.32 : 16,989,847.56 = 6,804,102.72 : x
  2. Step 2: Convert to fraction form
    12,310,846.32/16,989,847.56 = 6,804,102.72/x
  3. Step 3: Cross multiply
    12,310,846.32x = 16,989,847.56 × 6,804,102.72
  4. Step 4: Simplify right side
    12,310,846.32x = 115,600,667,995,381.34
  5. Step 5: Solve for x
    x = 115,600,667,995,381.34/12,310,846.32
  6. Step 6: Final answer
    x = 9,390,147.92

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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.