Finding the Fourth Proportional to 14,277,156.96, 19,704,993.12 and 8,082,557.40
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Solution
The fourth proportional to 14,277,156.96, 19,704,993.12 and 8,082,557.40 is: 11,155,353.86
Step by Step Solution
- Step 1: Write the proportion equation
14,277,156.96 : 19,704,993.12 = 8,082,557.40 : x - Step 2: Convert to fraction form
14,277,156.96/19,704,993.12 = 8,082,557.40/x - Step 3: Cross multiply
14,277,156.96x = 19,704,993.12 × 8,082,557.40 - Step 4: Simplify right side
14,277,156.96x = 159,266,737,959,005.09 - Step 5: Solve for x
x = 159,266,737,959,005.09/14,277,156.96 - Step 6: Final answer
x = 11,155,353.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.