Finding the Fourth Proportional to 8,917,241.90, 12,306,844.35 and 5,295,569.90
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Solution
The fourth proportional to 8,917,241.90, 12,306,844.35 and 5,295,569.90 is: 7,308,510.33
Step by Step Solution
- Step 1: Write the proportion equation
8,917,241.90 : 12,306,844.35 = 5,295,569.90 : x - Step 2: Convert to fraction form
8,917,241.90/12,306,844.35 = 5,295,569.90/x - Step 3: Cross multiply
8,917,241.90x = 12,306,844.35 × 5,295,569.90 - Step 4: Simplify right side
8,917,241.90x = 65,171,754,503,845.07 - Step 5: Solve for x
x = 65,171,754,503,845.07/8,917,241.90 - Step 6: Final answer
x = 7,308,510.33
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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.