Home / 7,919,119.89-10,928,321.69-4,297,447.89

Finding the Fourth Proportional to 7,919,119.89, 10,928,321.69 and 4,297,447.89

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Solution

The fourth proportional to 7,919,119.89, 10,928,321.69 and 4,297,447.89 is: 5,930,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,119.89 : 10,928,321.69 = 4,297,447.89 : x
  2. Step 2: Convert to fraction form
    7,919,119.89/10,928,321.69 = 4,297,447.89/x
  3. Step 3: Cross multiply
    7,919,119.89x = 10,928,321.69 × 4,297,447.89
  4. Step 4: Simplify right side
    7,919,119.89x = 46,963,892,966,444.49
  5. Step 5: Solve for x
    x = 46,963,892,966,444.49/7,919,119.89
  6. Step 6: Final answer
    x = 5,930,443.49

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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.