Finding the Fourth Proportional to 45,554,808.70, 68,332,213.05 and 14,849,328.70
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Solution
The fourth proportional to 45,554,808.70, 68,332,213.05 and 14,849,328.70 is: 22,273,993.05
Step by Step Solution
- Step 1: Write the proportion equation
45,554,808.70 : 68,332,213.05 = 14,849,328.70 : x - Step 2: Convert to fraction form
45,554,808.70/68,332,213.05 = 14,849,328.70/x - Step 3: Cross multiply
45,554,808.70x = 68,332,213.05 × 14,849,328.70 - Step 4: Simplify right side
45,554,808.70x = 1,014,687,492,377,879.50 - Step 5: Solve for x
x = 1,014,687,492,377,879.50/45,554,808.70 - Step 6: Final answer
x = 22,273,993.05
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Double scale
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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.