Finding the Fourth Proportional to 56,592,885.80, 84,889,328.70 and 20,218,701.80
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Solution
The fourth proportional to 56,592,885.80, 84,889,328.70 and 20,218,701.80 is: 30,328,052.70
Step by Step Solution
- Step 1: Write the proportion equation
56,592,885.80 : 84,889,328.70 = 20,218,701.80 : x - Step 2: Convert to fraction form
56,592,885.80/84,889,328.70 = 20,218,701.80/x - Step 3: Cross multiply
56,592,885.80x = 84,889,328.70 × 20,218,701.80 - Step 4: Simplify right side
56,592,885.80x = 1,716,352,022,987,481.75 - Step 5: Solve for x
x = 1,716,352,022,987,481.75/56,592,885.80 - Step 6: Final answer
x = 30,328,052.70
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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.