Finding the Fourth Proportional to 7,929,377.82, 10,922,073.62 and 5,602,230.68
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Solution
The fourth proportional to 7,929,377.82, 10,922,073.62 and 5,602,230.68 is: 7,716,617.53
Step by Step Solution
- Step 1: Write the proportion equation
7,929,377.82 : 10,922,073.62 = 5,602,230.68 : x - Step 2: Convert to fraction form
7,929,377.82/10,922,073.62 = 5,602,230.68/x - Step 3: Cross multiply
7,929,377.82x = 10,922,073.62 × 5,602,230.68 - Step 4: Simplify right side
7,929,377.82x = 61,187,975,886,641.37 - Step 5: Solve for x
x = 61,187,975,886,641.37/7,929,377.82 - Step 6: Final answer
x = 7,716,617.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.