Home / 7,878,014.51-10,871,649.49-4,256,342.51

Finding the Fourth Proportional to 7,878,014.51, 10,871,649.49 and 4,256,342.51

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Solution

The fourth proportional to 7,878,014.51, 10,871,649.49 and 4,256,342.51 is: 5,873,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,014.51 : 10,871,649.49 = 4,256,342.51 : x
  2. Step 2: Convert to fraction form
    7,878,014.51/10,871,649.49 = 4,256,342.51/x
  3. Step 3: Cross multiply
    7,878,014.51x = 10,871,649.49 × 4,256,342.51
  4. Step 4: Simplify right side
    7,878,014.51x = 46,273,463,878,106.82
  5. Step 5: Solve for x
    x = 46,273,463,878,106.82/7,878,014.51
  6. Step 6: Final answer
    x = 5,873,746.97

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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.