Home / 7,919,370.72-10,928,730.41-4,297,698.72

Finding the Fourth Proportional to 7,919,370.72, 10,928,730.41 and 4,297,698.72

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Solution

The fourth proportional to 7,919,370.72, 10,928,730.41 and 4,297,698.72 is: 5,930,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,370.72 : 10,928,730.41 = 4,297,698.72 : x
  2. Step 2: Convert to fraction form
    7,919,370.72/10,928,730.41 = 4,297,698.72/x
  3. Step 3: Cross multiply
    7,919,370.72x = 10,928,730.41 × 4,297,698.72
  4. Step 4: Simplify right side
    7,919,370.72x = 46,968,390,694,282.07
  5. Step 5: Solve for x
    x = 46,968,390,694,282.07/7,919,370.72
  6. Step 6: Final answer
    x = 5,930,823.59

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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.