Finding the Fourth Proportional to 29,392,791.91, 40,563,437.28 and 16,340,268.95
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Solution
The fourth proportional to 29,392,791.91, 40,563,437.28 and 16,340,268.95 is: 22,550,340.80
Step by Step Solution
- Step 1: Write the proportion equation
29,392,791.91 : 40,563,437.28 = 16,340,268.95 : x - Step 2: Convert to fraction form
29,392,791.91/40,563,437.28 = 16,340,268.95/x - Step 3: Cross multiply
29,392,791.91x = 40,563,437.28 × 16,340,268.95 - Step 4: Simplify right side
29,392,791.91x = 662,817,474,579,676.12 - Step 5: Solve for x
x = 662,817,474,579,676.12/29,392,791.91 - Step 6: Final answer
x = 22,550,340.80
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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.