Finding the Fourth Proportional to 26,862,372.30, 40,207,828.05 and 21,193,668.30
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Solution
The fourth proportional to 26,862,372.30, 40,207,828.05 and 21,193,668.30 is: 31,722,863.54
Step by Step Solution
- Step 1: Write the proportion equation
26,862,372.30 : 40,207,828.05 = 21,193,668.30 : x - Step 2: Convert to fraction form
26,862,372.30/40,207,828.05 = 21,193,668.30/x - Step 3: Cross multiply
26,862,372.30x = 40,207,828.05 × 21,193,668.30 - Step 4: Simplify right side
26,862,372.30x = 852,151,370,755,135.75 - Step 5: Solve for x
x = 852,151,370,755,135.75/26,862,372.30 - Step 6: Final answer
x = 31,722,863.54
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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.