Finding the Fourth Proportional to 7,746,957.06, 11,606,968.80 and 5,436,550.32
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Solution
The fourth proportional to 7,746,957.06, 11,606,968.80 and 5,436,550.32 is: 8,145,374.95
Step by Step Solution
- Step 1: Write the proportion equation
7,746,957.06 : 11,606,968.80 = 5,436,550.32 : x - Step 2: Convert to fraction form
7,746,957.06/11,606,968.80 = 5,436,550.32/x - Step 3: Cross multiply
7,746,957.06x = 11,606,968.80 × 5,436,550.32 - Step 4: Simplify right side
7,746,957.06x = 63,101,869,943,870.02 - Step 5: Solve for x
x = 63,101,869,943,870.02/7,746,957.06 - Step 6: Final answer
x = 8,145,374.95
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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.