Finding the Fourth Proportional to 29,612,471.76, 40,864,930.92 and 16,559,580.96
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Solution
The fourth proportional to 29,612,471.76, 40,864,930.92 and 16,559,580.96 is: 22,852,065.09
Step by Step Solution
- Step 1: Write the proportion equation
29,612,471.76 : 40,864,930.92 = 16,559,580.96 : x - Step 2: Convert to fraction form
29,612,471.76/40,864,930.92 = 16,559,580.96/x - Step 3: Cross multiply
29,612,471.76x = 40,864,930.92 × 16,559,580.96 - Step 4: Simplify right side
29,612,471.76x = 676,706,131,994,547.38 - Step 5: Solve for x
x = 676,706,131,994,547.38/29,612,471.76 - Step 6: Final answer
x = 22,852,065.09
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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.