Finding the Fourth Proportional to 7,843,729.49, 11,766,272.03 and 2,163,953.81
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Solution
The fourth proportional to 7,843,729.49, 11,766,272.03 and 2,163,953.81 is: 3,246,117.70
Step by Step Solution
- Step 1: Write the proportion equation
7,843,729.49 : 11,766,272.03 = 2,163,953.81 : x - Step 2: Convert to fraction form
7,843,729.49/11,766,272.03 = 2,163,953.81/x - Step 3: Cross multiply
7,843,729.49x = 11,766,272.03 × 2,163,953.81 - Step 4: Simplify right side
7,843,729.49x = 25,461,669,135,393.46 - Step 5: Solve for x
x = 25,461,669,135,393.46/7,843,729.49 - Step 6: Final answer
x = 3,246,117.70
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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.