Home / 7,219,623.44-9,963,092.04-3,955,919.60

Finding the Fourth Proportional to 7,219,623.44, 9,963,092.04 and 3,955,919.60

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Solution

The fourth proportional to 7,219,623.44, 9,963,092.04 and 3,955,919.60 is: 5,459,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,623.44 : 9,963,092.04 = 3,955,919.60 : x
  2. Step 2: Convert to fraction form
    7,219,623.44/9,963,092.04 = 3,955,919.60/x
  3. Step 3: Cross multiply
    7,219,623.44x = 9,963,092.04 × 3,955,919.60
  4. Step 4: Simplify right side
    7,219,623.44x = 39,413,191,077,639.98
  5. Step 5: Solve for x
    x = 39,413,191,077,639.98/7,219,623.44
  6. Step 6: Final answer
    x = 5,459,175.45

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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.