Finding the Fourth Proportional to 19,574,403.70, 29,361,605.55 and 11,491,251.70
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Solution
The fourth proportional to 19,574,403.70, 29,361,605.55 and 11,491,251.70 is: 17,236,877.55
Step by Step Solution
- Step 1: Write the proportion equation
19,574,403.70 : 29,361,605.55 = 11,491,251.70 : x - Step 2: Convert to fraction form
19,574,403.70/29,361,605.55 = 11,491,251.70/x - Step 3: Cross multiply
19,574,403.70x = 29,361,605.55 × 11,491,251.70 - Step 4: Simplify right side
19,574,403.70x = 337,401,599,691,166.94 - Step 5: Solve for x
x = 337,401,599,691,166.94/19,574,403.70 - Step 6: Final answer
x = 17,236,877.55
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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.