Finding the Fourth Proportional to 19,543,853.58, 29,306,228.64 and 8,026,242.24
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Solution
The fourth proportional to 19,543,853.58, 29,306,228.64 and 8,026,242.24 is: 12,035,440.67
Step by Step Solution
- Step 1: Write the proportion equation
19,543,853.58 : 29,306,228.64 = 8,026,242.24 : x - Step 2: Convert to fraction form
19,543,853.58/29,306,228.64 = 8,026,242.24/x - Step 3: Cross multiply
19,543,853.58x = 29,306,228.64 × 8,026,242.24 - Step 4: Simplify right side
19,543,853.58x = 235,218,890,205,465.75 - Step 5: Solve for x
x = 235,218,890,205,465.75/19,543,853.58 - Step 6: Final answer
x = 12,035,440.67
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1.5x scale
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.