Finding the Fourth Proportional to 29,245,258.71, 40,359,717.63 and 16,192,517.49
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Solution
The fourth proportional to 29,245,258.71, 40,359,717.63 and 16,192,517.49 is: 22,346,372.11
Step by Step Solution
- Step 1: Write the proportion equation
29,245,258.71 : 40,359,717.63 = 16,192,517.49 : x - Step 2: Convert to fraction form
29,245,258.71/40,359,717.63 = 16,192,517.49/x - Step 3: Cross multiply
29,245,258.71x = 40,359,717.63 × 16,192,517.49 - Step 4: Simplify right side
29,245,258.71x = 653,525,433,615,236.38 - Step 5: Solve for x
x = 653,525,433,615,236.38/29,245,258.71 - Step 6: Final answer
x = 22,346,372.11
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Double scale
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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.