Home / 14,078,099.50-19,427,777.32-7,639,571.50

Finding the Fourth Proportional to 14,078,099.50, 19,427,777.32 and 7,639,571.50

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Solution

The fourth proportional to 14,078,099.50, 19,427,777.32 and 7,639,571.50 is: 10,542,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,099.50 : 19,427,777.32 = 7,639,571.50 : x
  2. Step 2: Convert to fraction form
    14,078,099.50/19,427,777.32 = 7,639,571.50/x
  3. Step 3: Cross multiply
    14,078,099.50x = 19,427,777.32 × 7,639,571.50
  4. Step 4: Simplify right side
    14,078,099.50x = 148,419,893,922,218.38
  5. Step 5: Solve for x
    x = 148,419,893,922,218.38/14,078,099.50
  6. Step 6: Final answer
    x = 10,542,608.68

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1.5x scale

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.