Finding the Fourth Proportional to 29,552,459.40, 40,796,216.48 and 17,160,138.98
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Solution
The fourth proportional to 29,552,459.40, 40,796,216.48 and 17,160,138.98 is: 23,689,018.07
Step by Step Solution
- Step 1: Write the proportion equation
29,552,459.40 : 40,796,216.48 = 17,160,138.98 : x - Step 2: Convert to fraction form
29,552,459.40/40,796,216.48 = 17,160,138.98/x - Step 3: Cross multiply
29,552,459.40x = 40,796,216.48 × 17,160,138.98 - Step 4: Simplify right side
29,552,459.40x = 700,068,744,654,966.38 - Step 5: Solve for x
x = 700,068,744,654,966.38/29,552,459.40 - Step 6: Final answer
x = 23,689,018.07
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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.