Finding the Fourth Proportional to 22,851,444.40, 31,535,053.17 and 12,397,460.19
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Solution
The fourth proportional to 22,851,444.40, 31,535,053.17 and 12,397,460.19 is: 17,108,527.56
Step by Step Solution
- Step 1: Write the proportion equation
22,851,444.40 : 31,535,053.17 = 12,397,460.19 : x - Step 2: Convert to fraction form
22,851,444.40/31,535,053.17 = 12,397,460.19/x - Step 3: Cross multiply
22,851,444.40x = 31,535,053.17 × 12,397,460.19 - Step 4: Simplify right side
22,851,444.40x = 390,954,566,336,374.31 - Step 5: Solve for x
x = 390,954,566,336,374.31/22,851,444.40 - Step 6: Final answer
x = 17,108,527.56
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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.