Home / 14,188,512-19,580,148.72-7,749,984

Finding the Fourth Proportional to 14,188,512, 19,580,148.72 and 7,749,984

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Solution

The fourth proportional to 14,188,512, 19,580,148.72 and 7,749,984 is: 10,694,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,512 : 19,580,148.72 = 7,749,984 : x
  2. Step 2: Convert to fraction form
    14,188,512/19,580,148.72 = 7,749,984/x
  3. Step 3: Cross multiply
    14,188,512x = 19,580,148.72 × 7,749,984
  4. Step 4: Simplify right side
    14,188,512x = 151,745,839,297,620.47
  5. Step 5: Solve for x
    x = 151,745,839,297,620.47/14,188,512
  6. Step 6: Final answer
    x = 10,694,979.10

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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.