Finding the Fourth Proportional to 7,843,712.27, 11,766,246.14 and 2,163,936.58
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Solution
The fourth proportional to 7,843,712.27, 11,766,246.14 and 2,163,936.58 is: 3,246,091.84
Step by Step Solution
- Step 1: Write the proportion equation
7,843,712.27 : 11,766,246.14 = 2,163,936.58 : x - Step 2: Convert to fraction form
7,843,712.27/11,766,246.14 = 2,163,936.58/x - Step 3: Cross multiply
7,843,712.27x = 11,766,246.14 × 2,163,936.58 - Step 4: Simplify right side
7,843,712.27x = 25,461,410,407,624.03 - Step 5: Solve for x
x = 25,461,410,407,624.03/7,843,712.27 - Step 6: Final answer
x = 3,246,091.84
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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.