Finding the Fourth Proportional to 18,388,052.84, 25,375,511.71 and 10,657,579.19
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Solution
The fourth proportional to 18,388,052.84, 25,375,511.71 and 10,657,579.19 is: 14,707,458.58
Step by Step Solution
- Step 1: Write the proportion equation
18,388,052.84 : 25,375,511.71 = 10,657,579.19 : x - Step 2: Convert to fraction form
18,388,052.84/25,375,511.71 = 10,657,579.19/x - Step 3: Cross multiply
18,388,052.84x = 25,375,511.71 × 10,657,579.19 - Step 4: Simplify right side
18,388,052.84x = 270,441,525,536,097.31 - Step 5: Solve for x
x = 270,441,525,536,097.31/18,388,052.84 - Step 6: Final answer
x = 14,707,458.58
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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.