Finding the Fourth Proportional to 19,388,545.40, 29,082,818.10 and 5,742,183.80
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Solution
The fourth proportional to 19,388,545.40, 29,082,818.10 and 5,742,183.80 is: 8,613,275.70
Step by Step Solution
- Step 1: Write the proportion equation
19,388,545.40 : 29,082,818.10 = 5,742,183.80 : x - Step 2: Convert to fraction form
19,388,545.40/29,082,818.10 = 5,742,183.80/x - Step 3: Cross multiply
19,388,545.40x = 29,082,818.10 × 5,742,183.80 - Step 4: Simplify right side
19,388,545.40x = 166,998,886,952,166.78 - Step 5: Solve for x
x = 166,998,886,952,166.78/19,388,545.40 - Step 6: Final answer
x = 8,613,275.70
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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.