Finding the Fourth Proportional to 16,431,389.46, 24,639,893.01 and 7,797,963.96
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Solution
The fourth proportional to 16,431,389.46, 24,639,893.01 and 7,797,963.96 is: 11,693,533.17
Step by Step Solution
- Step 1: Write the proportion equation
16,431,389.46 : 24,639,893.01 = 7,797,963.96 : x - Step 2: Convert to fraction form
16,431,389.46/24,639,893.01 = 7,797,963.96/x - Step 3: Cross multiply
16,431,389.46x = 24,639,893.01 × 7,797,963.96 - Step 4: Simplify right side
16,431,389.46x = 192,140,997,670,235.94 - Step 5: Solve for x
x = 192,140,997,670,235.94/16,431,389.46 - Step 6: Final answer
x = 11,693,533.17
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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.