Home / 8,005,971.38-12,010,201.22-2,688,431.54

Finding the Fourth Proportional to 8,005,971.38, 12,010,201.22 and 2,688,431.54

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Solution

The fourth proportional to 8,005,971.38, 12,010,201.22 and 2,688,431.54 is: 4,033,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005,971.38 : 12,010,201.22 = 2,688,431.54 : x
  2. Step 2: Convert to fraction form
    8,005,971.38/12,010,201.22 = 2,688,431.54/x
  3. Step 3: Cross multiply
    8,005,971.38x = 12,010,201.22 × 2,688,431.54
  4. Step 4: Simplify right side
    8,005,971.38x = 32,288,603,761,594.48
  5. Step 5: Solve for x
    x = 32,288,603,761,594.48/8,005,971.38
  6. Step 6: Final answer
    x = 4,033,065.10

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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.