Finding the Fourth Proportional to 27,690,666.98, 41,539,935.99 and 8,523,021.38
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Solution
The fourth proportional to 27,690,666.98, 41,539,935.99 and 8,523,021.38 is: 12,785,743.40
Step by Step Solution
- Step 1: Write the proportion equation
27,690,666.98 : 41,539,935.99 = 8,523,021.38 : x - Step 2: Convert to fraction form
27,690,666.98/41,539,935.99 = 8,523,021.38/x - Step 3: Cross multiply
27,690,666.98x = 41,539,935.99 × 8,523,021.38 - Step 4: Simplify right side
27,690,666.98x = 354,045,762,566,601.50 - Step 5: Solve for x
x = 354,045,762,566,601.50/27,690,666.98 - Step 6: Final answer
x = 12,785,743.40
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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.