Finding the Fourth Proportional to 19,465,821.51, 26,853,904.94 and 12,592,520.07
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Solution
The fourth proportional to 19,465,821.51, 26,853,904.94 and 12,592,520.07 is: 17,371,901.65
Step by Step Solution
- Step 1: Write the proportion equation
19,465,821.51 : 26,853,904.94 = 12,592,520.07 : x - Step 2: Convert to fraction form
19,465,821.51/26,853,904.94 = 12,592,520.07/x - Step 3: Cross multiply
19,465,821.51x = 26,853,904.94 × 12,592,520.07 - Step 4: Simplify right side
19,465,821.51x = 338,158,336,851,859.56 - Step 5: Solve for x
x = 338,158,336,851,859.56/19,465,821.51 - Step 6: Final answer
x = 17,371,901.65
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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.