Finding the Fourth Proportional to 9,168,396.51, 12,652,728.62 and 5,497,910.67
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Solution
The fourth proportional to 9,168,396.51, 12,652,728.62 and 5,497,910.67 is: 7,587,321.47
Step by Step Solution
- Step 1: Write the proportion equation
9,168,396.51 : 12,652,728.62 = 5,497,910.67 : x - Step 2: Convert to fraction form
9,168,396.51/12,652,728.62 = 5,497,910.67/x - Step 3: Cross multiply
9,168,396.51x = 12,652,728.62 × 5,497,910.67 - Step 4: Simplify right side
9,168,396.51x = 69,563,571,657,022.82 - Step 5: Solve for x
x = 69,563,571,657,022.82/9,168,396.51 - Step 6: Final answer
x = 7,587,321.47
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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.