Finding the Fourth Proportional to 14,847,479.20, 22,271,218.80 and 13,771,311.18
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Solution
The fourth proportional to 14,847,479.20, 22,271,218.80 and 13,771,311.18 is: 20,656,966.77
Step by Step Solution
- Step 1: Write the proportion equation
14,847,479.20 : 22,271,218.80 = 13,771,311.18 : x - Step 2: Convert to fraction form
14,847,479.20/22,271,218.80 = 13,771,311.18/x - Step 3: Cross multiply
14,847,479.20x = 22,271,218.80 × 13,771,311.18 - Step 4: Simplify right side
14,847,479.20x = 306,703,884,452,666.19 - Step 5: Solve for x
x = 306,703,884,452,666.19/14,847,479.20 - Step 6: Final answer
x = 20,656,966.77
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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.