Finding the Fourth Proportional to 16,172,228.20, 24,252,437.40 and 5,389,880.80
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Solution
The fourth proportional to 16,172,228.20, 24,252,437.40 and 5,389,880.80 is: 8,082,853.21
Step by Step Solution
- Step 1: Write the proportion equation
16,172,228.20 : 24,252,437.40 = 5,389,880.80 : x - Step 2: Convert to fraction form
16,172,228.20/24,252,437.40 = 5,389,880.80/x - Step 3: Cross multiply
16,172,228.20x = 24,252,437.40 × 5,389,880.80 - Step 4: Simplify right side
16,172,228.20x = 130,717,746,695,461.91 - Step 5: Solve for x
x = 130,717,746,695,461.91/16,172,228.20 - Step 6: Final answer
x = 8,082,853.21
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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.