Home / 7,878,011.51-10,871,645.36-4,256,339.51

Finding the Fourth Proportional to 7,878,011.51, 10,871,645.36 and 4,256,339.51

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Solution

The fourth proportional to 7,878,011.51, 10,871,645.36 and 4,256,339.51 is: 5,873,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,011.51 : 10,871,645.36 = 4,256,339.51 : x
  2. Step 2: Convert to fraction form
    7,878,011.51/10,871,645.36 = 4,256,339.51/x
  3. Step 3: Cross multiply
    7,878,011.51x = 10,871,645.36 × 4,256,339.51
  4. Step 4: Simplify right side
    7,878,011.51x = 46,273,413,608,836.25
  5. Step 5: Solve for x
    x = 46,273,413,608,836.25/7,878,011.51
  6. Step 6: Final answer
    x = 5,873,742.83

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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.