Finding the Fourth Proportional to 8,516,578.14, 11,751,305.40 and 4,845,280.38
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Solution
The fourth proportional to 8,516,578.14, 11,751,305.40 and 4,845,280.38 is: 6,685,592.33
Step by Step Solution
- Step 1: Write the proportion equation
8,516,578.14 : 11,751,305.40 = 4,845,280.38 : x - Step 2: Convert to fraction form
8,516,578.14/11,751,305.40 = 4,845,280.38/x - Step 3: Cross multiply
8,516,578.14x = 11,751,305.40 × 4,845,280.38 - Step 4: Simplify right side
8,516,578.14x = 56,938,369,494,008.05 - Step 5: Solve for x
x = 56,938,369,494,008.05/8,516,578.14 - Step 6: Final answer
x = 6,685,592.33
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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.