Finding the Fourth Proportional to 7,843,726.87, 11,766,268.10 and 2,163,951.18
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Solution
The fourth proportional to 7,843,726.87, 11,766,268.10 and 2,163,951.18 is: 3,246,113.76
Step by Step Solution
- Step 1: Write the proportion equation
7,843,726.87 : 11,766,268.10 = 2,163,951.18 : x - Step 2: Convert to fraction form
7,843,726.87/11,766,268.10 = 2,163,951.18/x - Step 3: Cross multiply
7,843,726.87x = 11,766,268.10 × 2,163,951.18 - Step 4: Simplify right side
7,843,726.87x = 25,461,629,744,601.23 - Step 5: Solve for x
x = 25,461,629,744,601.23/7,843,726.87 - Step 6: Final answer
x = 3,246,113.76
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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.