Home / 13,280,104.80-19,904,410.80-11,925,914.40

Finding the Fourth Proportional to 13,280,104.80, 19,904,410.80 and 11,925,914.40

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Solution

The fourth proportional to 13,280,104.80, 19,904,410.80 and 11,925,914.40 is: 17,874,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,104.80 : 19,904,410.80 = 11,925,914.40 : x
  2. Step 2: Convert to fraction form
    13,280,104.80/19,904,410.80 = 11,925,914.40/x
  3. Step 3: Cross multiply
    13,280,104.80x = 19,904,410.80 × 11,925,914.40
  4. Step 4: Simplify right side
    13,280,104.80x = 237,378,299,383,235.53
  5. Step 5: Solve for x
    x = 237,378,299,383,235.53/13,280,104.80
  6. Step 6: Final answer
    x = 17,874,730.88

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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.