Home / 28,828,483.74-39,826,519.14-18,928,853.28

Finding the Fourth Proportional to 28,828,483.74, 39,826,519.14 and 18,928,853.28

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Solution

The fourth proportional to 28,828,483.74, 39,826,519.14 and 18,928,853.28 is: 26,150,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,483.74 : 39,826,519.14 = 18,928,853.28 : x
  2. Step 2: Convert to fraction form
    28,828,483.74/39,826,519.14 = 18,928,853.28/x
  3. Step 3: Cross multiply
    28,828,483.74x = 39,826,519.14 × 18,928,853.28
  4. Step 4: Simplify right side
    28,828,483.74x = 753,870,337,454,171.88
  5. Step 5: Solve for x
    x = 753,870,337,454,171.88/28,828,483.74
  6. Step 6: Final answer
    x = 26,150,190.36

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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.