Finding the Fourth Proportional to 36,894,430.90, 55,375,229.36 and 19,637,120.08
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Solution
The fourth proportional to 36,894,430.90, 55,375,229.36 and 19,637,120.08 is: 29,473,554.73
Step by Step Solution
- Step 1: Write the proportion equation
36,894,430.90 : 55,375,229.36 = 19,637,120.08 : x - Step 2: Convert to fraction form
36,894,430.90/55,375,229.36 = 19,637,120.08/x - Step 3: Cross multiply
36,894,430.90x = 55,375,229.36 × 19,637,120.08 - Step 4: Simplify right side
36,894,430.90x = 1,087,410,028,399,861.50 - Step 5: Solve for x
x = 1,087,410,028,399,861.50/36,894,430.90 - Step 6: Final answer
x = 29,473,554.73
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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.