Finding the Fourth Proportional to 8,316,578.45, 11,476,918.24 and 4,645,649.75
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Solution
The fourth proportional to 8,316,578.45, 11,476,918.24 and 4,645,649.75 is: 6,411,018.98
Step by Step Solution
- Step 1: Write the proportion equation
8,316,578.45 : 11,476,918.24 = 4,645,649.75 : x - Step 2: Convert to fraction form
8,316,578.45/11,476,918.24 = 4,645,649.75/x - Step 3: Cross multiply
8,316,578.45x = 11,476,918.24 × 4,645,649.75 - Step 4: Simplify right side
8,316,578.45x = 53,317,742,283,427.73 - Step 5: Solve for x
x = 53,317,742,283,427.73/8,316,578.45 - Step 6: Final answer
x = 6,411,018.98
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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.