Home / 8,901,274.05-13,271,924.43-8,141,220.48

Finding the Fourth Proportional to 8,901,274.05, 13,271,924.43 and 8,141,220.48

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Solution

The fourth proportional to 8,901,274.05, 13,271,924.43 and 8,141,220.48 is: 12,138,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901,274.05 : 13,271,924.43 = 8,141,220.48 : x
  2. Step 2: Convert to fraction form
    8,901,274.05/13,271,924.43 = 8,141,220.48/x
  3. Step 3: Cross multiply
    8,901,274.05x = 13,271,924.43 × 8,141,220.48
  4. Step 4: Simplify right side
    8,901,274.05x = 108,049,662,978,528.33
  5. Step 5: Solve for x
    x = 108,049,662,978,528.33/8,901,274.05
  6. Step 6: Final answer
    x = 12,138,673.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.