Home / 20,271,104.32-27,974,115.04-10,978,674.88

Finding the Fourth Proportional to 20,271,104.32, 27,974,115.04 and 10,978,674.88

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Solution

The fourth proportional to 20,271,104.32, 27,974,115.04 and 10,978,674.88 is: 15,150,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271,104.32 : 27,974,115.04 = 10,978,674.88 : x
  2. Step 2: Convert to fraction form
    20,271,104.32/27,974,115.04 = 10,978,674.88/x
  3. Step 3: Cross multiply
    20,271,104.32x = 27,974,115.04 × 10,978,674.88
  4. Step 4: Simplify right side
    20,271,104.32x = 307,118,714,079,878.19
  5. Step 5: Solve for x
    x = 307,118,714,079,878.19/20,271,104.32
  6. Step 6: Final answer
    x = 15,150,566.50

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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.