Finding the Fourth Proportional to 16,783,329.36, 25,178,681.16 and 9,966,129.60
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Solution
The fourth proportional to 16,783,329.36, 25,178,681.16 and 9,966,129.60 is: 14,951,383.85
Step by Step Solution
- Step 1: Write the proportion equation
16,783,329.36 : 25,178,681.16 = 9,966,129.60 : x - Step 2: Convert to fraction form
16,783,329.36/25,178,681.16 = 9,966,129.60/x - Step 3: Cross multiply
16,783,329.36x = 25,178,681.16 × 9,966,129.60 - Step 4: Simplify right side
16,783,329.36x = 250,933,999,597,638.31 - Step 5: Solve for x
x = 250,933,999,597,638.31/16,783,329.36 - Step 6: Final answer
x = 14,951,383.85
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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.