Home / 12,730,660.94-19,095,804.43-3,146,039.21

Finding the Fourth Proportional to 12,730,660.94, 19,095,804.43 and 3,146,039.21

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Solution

The fourth proportional to 12,730,660.94, 19,095,804.43 and 3,146,039.21 is: 4,719,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,660.94 : 19,095,804.43 = 3,146,039.21 : x
  2. Step 2: Convert to fraction form
    12,730,660.94/19,095,804.43 = 3,146,039.21/x
  3. Step 3: Cross multiply
    12,730,660.94x = 19,095,804.43 × 3,146,039.21
  4. Step 4: Simplify right side
    12,730,660.94x = 60,076,149,379,927.58
  5. Step 5: Solve for x
    x = 60,076,149,379,927.58/12,730,660.94
  6. Step 6: Final answer
    x = 4,719,012.60

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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.