Finding the Fourth Proportional to 7,843,716.77, 11,766,252.89 and 2,163,941.08
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Solution
The fourth proportional to 7,843,716.77, 11,766,252.89 and 2,163,941.08 is: 3,246,098.59
Step by Step Solution
- Step 1: Write the proportion equation
7,843,716.77 : 11,766,252.89 = 2,163,941.08 : x - Step 2: Convert to fraction form
7,843,716.77/11,766,252.89 = 2,163,941.08/x - Step 3: Cross multiply
7,843,716.77x = 11,766,252.89 × 2,163,941.08 - Step 4: Simplify right side
7,843,716.77x = 25,461,477,962,333.95 - Step 5: Solve for x
x = 25,461,477,962,333.95/7,843,716.77 - Step 6: Final answer
x = 3,246,098.59
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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.