Finding the Fourth Proportional to 7,428,506.48, 11,145,252.36 and 2,879,703.68
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Solution
The fourth proportional to 7,428,506.48, 11,145,252.36 and 2,879,703.68 is: 4,320,521.81
Step by Step Solution
- Step 1: Write the proportion equation
7,428,506.48 : 11,145,252.36 = 2,879,703.68 : x - Step 2: Convert to fraction form
7,428,506.48/11,145,252.36 = 2,879,703.68/x - Step 3: Cross multiply
7,428,506.48x = 11,145,252.36 × 2,879,703.68 - Step 4: Simplify right side
7,428,506.48x = 32,095,024,235,620.68 - Step 5: Solve for x
x = 32,095,024,235,620.68/7,428,506.48 - Step 6: Final answer
x = 4,320,521.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.