Finding the Fourth Proportional to 29,974,599.28, 41,365,948.08 and 18,369,920.44
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Solution
The fourth proportional to 29,974,599.28, 41,365,948.08 and 18,369,920.44 is: 25,351,103.71
Step by Step Solution
- Step 1: Write the proportion equation
29,974,599.28 : 41,365,948.08 = 18,369,920.44 : x - Step 2: Convert to fraction form
29,974,599.28/41,365,948.08 = 18,369,920.44/x - Step 3: Cross multiply
29,974,599.28x = 41,365,948.08 × 18,369,920.44 - Step 4: Simplify right side
29,974,599.28x = 759,889,175,154,770.75 - Step 5: Solve for x
x = 759,889,175,154,770.75/29,974,599.28 - Step 6: Final answer
x = 25,351,103.71
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1.5x scale
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.