Home / 19,305,124.74-28,957,676.85-4,928,187.42

Finding the Fourth Proportional to 19,305,124.74, 28,957,676.85 and 4,928,187.42

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Solution

The fourth proportional to 19,305,124.74, 28,957,676.85 and 4,928,187.42 is: 7,392,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305,124.74 : 28,957,676.85 = 4,928,187.42 : x
  2. Step 2: Convert to fraction form
    19,305,124.74/28,957,676.85 = 4,928,187.42/x
  3. Step 3: Cross multiply
    19,305,124.74x = 28,957,676.85 × 4,928,187.42
  4. Step 4: Simplify right side
    19,305,124.74x = 142,708,858,764,595.22
  5. Step 5: Solve for x
    x = 142,708,858,764,595.22/19,305,124.74
  6. Step 6: Final answer
    x = 7,392,278.51

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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.