Finding the Fourth Proportional to 14,366,799.97, 19,826,603.90 and 7,840,848.27
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Solution
The fourth proportional to 14,366,799.97, 19,826,603.90 and 7,840,848.27 is: 10,820,599.80
Step by Step Solution
- Step 1: Write the proportion equation
14,366,799.97 : 19,826,603.90 = 7,840,848.27 : x - Step 2: Convert to fraction form
14,366,799.97/19,826,603.90 = 7,840,848.27/x - Step 3: Cross multiply
14,366,799.97x = 19,826,603.90 × 7,840,848.27 - Step 4: Simplify right side
14,366,799.97x = 155,457,392,889,290.22 - Step 5: Solve for x
x = 155,457,392,889,290.22/14,366,799.97 - Step 6: Final answer
x = 10,820,599.80
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1.5x scale
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.