Home / 19,179,739.58-28,769,628.27-5,346,145.76

Finding the Fourth Proportional to 19,179,739.58, 28,769,628.27 and 5,346,145.76

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Solution

The fourth proportional to 19,179,739.58, 28,769,628.27 and 5,346,145.76 is: 8,019,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,739.58 : 28,769,628.27 = 5,346,145.76 : x
  2. Step 2: Convert to fraction form
    19,179,739.58/28,769,628.27 = 5,346,145.76/x
  3. Step 3: Cross multiply
    19,179,739.58x = 28,769,628.27 × 5,346,145.76
  4. Step 4: Simplify right side
    19,179,739.58x = 153,806,626,192,436.62
  5. Step 5: Solve for x
    x = 153,806,626,192,436.62/19,179,739.58
  6. Step 6: Final answer
    x = 8,019,223.91

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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.