Home / 19,538,981.37-29,271,478.25-13,042,467.78

Finding the Fourth Proportional to 19,538,981.37, 29,271,478.25 and 13,042,467.78

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Solution

The fourth proportional to 19,538,981.37, 29,271,478.25 and 13,042,467.78 is: 19,539,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,981.37 : 29,271,478.25 = 13,042,467.78 : x
  2. Step 2: Convert to fraction form
    19,538,981.37/29,271,478.25 = 13,042,467.78/x
  3. Step 3: Cross multiply
    19,538,981.37x = 29,271,478.25 × 13,042,467.78
  4. Step 4: Simplify right side
    19,538,981.37x = 381,772,311,883,383.44
  5. Step 5: Solve for x
    x = 381,772,311,883,383.44/19,538,981.37
  6. Step 6: Final answer
    x = 19,539,007.93

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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.