Home / 8,311,019.40-12,477,026.70-4,475,896.20

Finding the Fourth Proportional to 8,311,019.40, 12,477,026.70 and 4,475,896.20

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Solution

The fourth proportional to 8,311,019.40, 12,477,026.70 and 4,475,896.20 is: 6,719,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,019.40 : 12,477,026.70 = 4,475,896.20 : x
  2. Step 2: Convert to fraction form
    8,311,019.40/12,477,026.70 = 4,475,896.20/x
  3. Step 3: Cross multiply
    8,311,019.40x = 12,477,026.70 × 4,475,896.20
  4. Step 4: Simplify right side
    8,311,019.40x = 55,845,876,393,828.54
  5. Step 5: Solve for x
    x = 55,845,876,393,828.54/8,311,019.40
  6. Step 6: Final answer
    x = 6,719,497.78

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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.