Home / 7,878,010.38-10,871,643.80-4,256,338.38

Finding the Fourth Proportional to 7,878,010.38, 10,871,643.80 and 4,256,338.38

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Solution

The fourth proportional to 7,878,010.38, 10,871,643.80 and 4,256,338.38 is: 5,873,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,010.38 : 10,871,643.80 = 4,256,338.38 : x
  2. Step 2: Convert to fraction form
    7,878,010.38/10,871,643.80 = 4,256,338.38/x
  3. Step 3: Cross multiply
    7,878,010.38x = 10,871,643.80 × 4,256,338.38
  4. Step 4: Simplify right side
    7,878,010.38x = 46,273,394,738,347.35
  5. Step 5: Solve for x
    x = 46,273,394,738,347.35/7,878,010.38
  6. Step 6: Final answer
    x = 5,873,741.28

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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.