Finding the Fourth Proportional to 41,706,812.70, 62,560,219.05 and 12,955,854.60
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Solution
The fourth proportional to 41,706,812.70, 62,560,219.05 and 12,955,854.60 is: 19,433,781.90
Step by Step Solution
- Step 1: Write the proportion equation
41,706,812.70 : 62,560,219.05 = 12,955,854.60 : x - Step 2: Convert to fraction form
41,706,812.70/62,560,219.05 = 12,955,854.60/x - Step 3: Cross multiply
41,706,812.70x = 62,560,219.05 × 12,955,854.60 - Step 4: Simplify right side
41,706,812.70x = 810,521,101,755,950.12 - Step 5: Solve for x
x = 810,521,101,755,950.12/41,706,812.70 - Step 6: Final answer
x = 19,433,781.90
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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.