Finding the Fourth Proportional to 29,488,686.84, 40,694,576.40 and 16,436,773.08
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Solution
The fourth proportional to 29,488,686.84, 40,694,576.40 and 16,436,773.08 is: 22,682,851.95
Step by Step Solution
- Step 1: Write the proportion equation
29,488,686.84 : 40,694,576.40 = 16,436,773.08 : x - Step 2: Convert to fraction form
29,488,686.84/40,694,576.40 = 16,436,773.08/x - Step 3: Cross multiply
29,488,686.84x = 40,694,576.40 × 16,436,773.08 - Step 4: Simplify right side
29,488,686.84x = 668,887,517,873,523.25 - Step 5: Solve for x
x = 668,887,517,873,523.25/29,488,686.84 - Step 6: Final answer
x = 22,682,851.95
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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.