Finding the Fourth Proportional to 10,988,694.31, 16,483,180.62 and 4,163,434.09
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Solution
The fourth proportional to 10,988,694.31, 16,483,180.62 and 4,163,434.09 is: 6,245,203.86
Step by Step Solution
- Step 1: Write the proportion equation
10,988,694.31 : 16,483,180.62 = 4,163,434.09 : x - Step 2: Convert to fraction form
10,988,694.31/16,483,180.62 = 4,163,434.09/x - Step 3: Cross multiply
10,988,694.31x = 16,483,180.62 × 4,163,434.09 - Step 4: Simplify right side
10,988,694.31x = 68,626,636,104,935.33 - Step 5: Solve for x
x = 68,626,636,104,935.33/10,988,694.31 - Step 6: Final answer
x = 6,245,203.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.