Finding the Fourth Proportional to 19,683,000.80, 29,524,501.20 and 15,378,328.70
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Solution
The fourth proportional to 19,683,000.80, 29,524,501.20 and 15,378,328.70 is: 23,067,493.05
Step by Step Solution
- Step 1: Write the proportion equation
19,683,000.80 : 29,524,501.20 = 15,378,328.70 : x - Step 2: Convert to fraction form
19,683,000.80/29,524,501.20 = 15,378,328.70/x - Step 3: Cross multiply
19,683,000.80x = 29,524,501.20 × 15,378,328.70 - Step 4: Simplify right side
19,683,000.80x = 454,037,484,157,144.44 - Step 5: Solve for x
x = 454,037,484,157,144.44/19,683,000.80 - Step 6: Final answer
x = 23,067,493.05
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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.