Finding the Fourth Proportional to 7,843,705.09, 11,766,235.37 and 2,163,929.40
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Solution
The fourth proportional to 7,843,705.09, 11,766,235.37 and 2,163,929.40 is: 3,246,081.07
Step by Step Solution
- Step 1: Write the proportion equation
7,843,705.09 : 11,766,235.37 = 2,163,929.40 : x - Step 2: Convert to fraction form
7,843,705.09/11,766,235.37 = 2,163,929.40/x - Step 3: Cross multiply
7,843,705.09x = 11,766,235.37 × 2,163,929.40 - Step 4: Simplify right side
7,843,705.09x = 25,461,302,633,643.23 - Step 5: Solve for x
x = 25,461,302,633,643.23/7,843,705.09 - Step 6: Final answer
x = 3,246,081.07
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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.