Finding the Fourth Proportional to 19,811,927.80, 29,717,891.70 and 16,623,281.80
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Solution
The fourth proportional to 19,811,927.80, 29,717,891.70 and 16,623,281.80 is: 24,934,922.70
Step by Step Solution
- Step 1: Write the proportion equation
19,811,927.80 : 29,717,891.70 = 16,623,281.80 : x - Step 2: Convert to fraction form
19,811,927.80/29,717,891.70 = 16,623,281.80/x - Step 3: Cross multiply
19,811,927.80x = 29,717,891.70 × 16,623,281.80 - Step 4: Simplify right side
19,811,927.80x = 494,008,888,230,981.06 - Step 5: Solve for x
x = 494,008,888,230,981.06/19,811,927.80 - Step 6: Final answer
x = 24,934,922.70
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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.