Finding the Fourth Proportional to 29,473,436.26, 40,673,502.09 and 16,913,490.84
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Solution
The fourth proportional to 29,473,436.26, 40,673,502.09 and 16,913,490.84 is: 23,340,709.21
Step by Step Solution
- Step 1: Write the proportion equation
29,473,436.26 : 40,673,502.09 = 16,913,490.84 : x - Step 2: Convert to fraction form
29,473,436.26/40,673,502.09 = 16,913,490.84/x - Step 3: Cross multiply
29,473,436.26x = 40,673,502.09 × 16,913,490.84 - Step 4: Simplify right side
29,473,436.26x = 687,930,905,029,935.88 - Step 5: Solve for x
x = 687,930,905,029,935.88/29,473,436.26 - Step 6: Final answer
x = 23,340,709.21
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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.