Finding the Fourth Proportional to 19,661,106.65, 27,132,539.94 and 10,840,574.99
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Solution
The fourth proportional to 19,661,106.65, 27,132,539.94 and 10,840,574.99 is: 14,960,110.80
Step by Step Solution
- Step 1: Write the proportion equation
19,661,106.65 : 27,132,539.94 = 10,840,574.99 : x - Step 2: Convert to fraction form
19,661,106.65/27,132,539.94 = 10,840,574.99/x - Step 3: Cross multiply
19,661,106.65x = 27,132,539.94 × 10,840,574.99 - Step 4: Simplify right side
19,661,106.65x = 294,132,333,956,571.44 - Step 5: Solve for x
x = 294,132,333,956,571.44/19,661,106.65 - Step 6: Final answer
x = 14,960,110.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.