Finding the Fourth Proportional to 34,747,154.82, 47,953,345.41 and 20,063,439.99
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Solution
The fourth proportional to 34,747,154.82, 47,953,345.41 and 20,063,439.99 is: 27,688,858.93
Step by Step Solution
- Step 1: Write the proportion equation
34,747,154.82 : 47,953,345.41 = 20,063,439.99 : x - Step 2: Convert to fraction form
34,747,154.82/47,953,345.41 = 20,063,439.99/x - Step 3: Cross multiply
34,747,154.82x = 47,953,345.41 × 20,063,439.99 - Step 4: Simplify right side
34,747,154.82x = 962,109,067,953,276.75 - Step 5: Solve for x
x = 962,109,067,953,276.75/34,747,154.82 - Step 6: Final answer
x = 27,688,858.93
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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.