Finding the Fourth Proportional to 19,683,118.70, 29,524,678.05 and 16,813,337.30
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Solution
The fourth proportional to 19,683,118.70, 29,524,678.05 and 16,813,337.30 is: 25,220,005.95
Step by Step Solution
- Step 1: Write the proportion equation
19,683,118.70 : 29,524,678.05 = 16,813,337.30 : x - Step 2: Convert to fraction form
19,683,118.70/29,524,678.05 = 16,813,337.30/x - Step 3: Cross multiply
19,683,118.70x = 29,524,678.05 × 16,813,337.30 - Step 4: Simplify right side
19,683,118.70x = 496,408,370,728,556.31 - Step 5: Solve for x
x = 496,408,370,728,556.31/19,683,118.70 - Step 6: Final answer
x = 25,220,005.95
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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.