Home / 7,878,015.88-10,871,651.38-4,256,343.88

Finding the Fourth Proportional to 7,878,015.88, 10,871,651.38 and 4,256,343.88

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Solution

The fourth proportional to 7,878,015.88, 10,871,651.38 and 4,256,343.88 is: 5,873,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,015.88 : 10,871,651.38 = 4,256,343.88 : x
  2. Step 2: Convert to fraction form
    7,878,015.88/10,871,651.38 = 4,256,343.88/x
  3. Step 3: Cross multiply
    7,878,015.88x = 10,871,651.38 × 4,256,343.88
  4. Step 4: Simplify right side
    7,878,015.88x = 46,273,486,816,756.55
  5. Step 5: Solve for x
    x = 46,273,486,816,756.55/7,878,015.88
  6. Step 6: Final answer
    x = 5,873,748.86

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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.