Finding the Fourth Proportional to 39,972,916.96, 59,950,310.98 and 18,098,856.00
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Solution
The fourth proportional to 39,972,916.96, 59,950,310.98 and 18,098,856.00 is: 27,144,179.82
Step by Step Solution
- Step 1: Write the proportion equation
39,972,916.96 : 59,950,310.98 = 18,098,856.00 : x - Step 2: Convert to fraction form
39,972,916.96/59,950,310.98 = 18,098,856.00/x - Step 3: Cross multiply
39,972,916.96x = 59,950,310.98 × 18,098,856.00 - Step 4: Simplify right side
39,972,916.96x = 1,085,032,045,900,234.62 - Step 5: Solve for x
x = 1,085,032,045,900,234.62/39,972,916.96 - Step 6: Final answer
x = 27,144,179.82
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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.