Home / 13,080,904.20-19,628,354.70-5,508,635.40

Finding the Fourth Proportional to 13,080,904.20, 19,628,354.70 and 5,508,635.40

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Solution

The fourth proportional to 13,080,904.20, 19,628,354.70 and 5,508,635.40 is: 8,265,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080,904.20 : 19,628,354.70 = 5,508,635.40 : x
  2. Step 2: Convert to fraction form
    13,080,904.20/19,628,354.70 = 5,508,635.40/x
  3. Step 3: Cross multiply
    13,080,904.20x = 19,628,354.70 × 5,508,635.40
  4. Step 4: Simplify right side
    13,080,904.20x = 108,125,449,544,176.39
  5. Step 5: Solve for x
    x = 108,125,449,544,176.39/13,080,904.20
  6. Step 6: Final answer
    x = 8,265,900.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.