Finding the Fourth Proportional to 8,226,937.92, 12,345,132.12 and 6,424,762.44
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Solution
The fourth proportional to 8,226,937.92, 12,345,132.12 and 6,424,762.44 is: 9,640,833.80
Step by Step Solution
- Step 1: Write the proportion equation
8,226,937.92 : 12,345,132.12 = 6,424,762.44 : x - Step 2: Convert to fraction form
8,226,937.92/12,345,132.12 = 6,424,762.44/x - Step 3: Cross multiply
8,226,937.92x = 12,345,132.12 × 6,424,762.44 - Step 4: Simplify right side
8,226,937.92x = 79,314,541,161,413.58 - Step 5: Solve for x
x = 79,314,541,161,413.58/8,226,937.92 - Step 6: Final answer
x = 9,640,833.80
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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.