Home / 28,828,478.72-39,826,512.25-18,928,848.26

Finding the Fourth Proportional to 28,828,478.72, 39,826,512.25 and 18,928,848.26

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Solution

The fourth proportional to 28,828,478.72, 39,826,512.25 and 18,928,848.26 is: 26,150,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,478.72 : 39,826,512.25 = 18,928,848.26 : x
  2. Step 2: Convert to fraction form
    28,828,478.72/39,826,512.25 = 18,928,848.26/x
  3. Step 3: Cross multiply
    28,828,478.72x = 39,826,512.25 × 18,928,848.26
  4. Step 4: Simplify right side
    28,828,478.72x = 753,870,006,858,826.50
  5. Step 5: Solve for x
    x = 753,870,006,858,826.50/28,828,478.72
  6. Step 6: Final answer
    x = 26,150,183.45

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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.