Finding the Fourth Proportional to 29,787,541.80, 44,681,312.70 and 18,450,133.80
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Solution
The fourth proportional to 29,787,541.80, 44,681,312.70 and 18,450,133.80 is: 27,675,200.70
Step by Step Solution
- Step 1: Write the proportion equation
29,787,541.80 : 44,681,312.70 = 18,450,133.80 : x - Step 2: Convert to fraction form
29,787,541.80/44,681,312.70 = 18,450,133.80/x - Step 3: Cross multiply
29,787,541.80x = 44,681,312.70 × 18,450,133.80 - Step 4: Simplify right side
29,787,541.80x = 824,376,197,674,639.38 - Step 5: Solve for x
x = 824,376,197,674,639.38/29,787,541.80 - Step 6: Final answer
x = 27,675,200.70
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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.