Home / 19,318,847.36-28,979,263.36-4,942,039.68

Finding the Fourth Proportional to 19,318,847.36, 28,979,263.36 and 4,942,039.68

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Solution

The fourth proportional to 19,318,847.36, 28,979,263.36 and 4,942,039.68 is: 7,413,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,847.36 : 28,979,263.36 = 4,942,039.68 : x
  2. Step 2: Convert to fraction form
    19,318,847.36/28,979,263.36 = 4,942,039.68/x
  3. Step 3: Cross multiply
    19,318,847.36x = 28,979,263.36 × 4,942,039.68
  4. Step 4: Simplify right side
    19,318,847.36x = 143,216,669,422,290.12
  5. Step 5: Solve for x
    x = 143,216,669,422,290.12/19,318,847.36
  6. Step 6: Final answer
    x = 7,413,313.37

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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.