Home / 7,878,013.38-10,871,647.94-4,256,341.38

Finding the Fourth Proportional to 7,878,013.38, 10,871,647.94 and 4,256,341.38

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Solution

The fourth proportional to 7,878,013.38, 10,871,647.94 and 4,256,341.38 is: 5,873,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,013.38 : 10,871,647.94 = 4,256,341.38 : x
  2. Step 2: Convert to fraction form
    7,878,013.38/10,871,647.94 = 4,256,341.38/x
  3. Step 3: Cross multiply
    7,878,013.38x = 10,871,647.94 × 4,256,341.38
  4. Step 4: Simplify right side
    7,878,013.38x = 46,273,444,974,532.05
  5. Step 5: Solve for x
    x = 46,273,444,974,532.05/7,878,013.38
  6. Step 6: Final answer
    x = 5,873,745.42

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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.