Finding the Fourth Proportional to 31,760,612.79, 47,645,643.11 and 14,723,007.99
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Solution
The fourth proportional to 31,760,612.79, 47,645,643.11 and 14,723,007.99 is: 22,086,701.81
Step by Step Solution
- Step 1: Write the proportion equation
31,760,612.79 : 47,645,643.11 = 14,723,007.99 : x - Step 2: Convert to fraction form
31,760,612.79/47,645,643.11 = 14,723,007.99/x - Step 3: Cross multiply
31,760,612.79x = 47,645,643.11 × 14,723,007.99 - Step 4: Simplify right side
31,760,612.79x = 701,487,184,123,603.38 - Step 5: Solve for x
x = 701,487,184,123,603.38/31,760,612.79 - Step 6: Final answer
x = 22,086,701.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.