Finding the Fourth Proportional to 36,296,490.60, 54,444,735.90 and 18,156,637.80
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Solution
The fourth proportional to 36,296,490.60, 54,444,735.90 and 18,156,637.80 is: 27,234,956.70
Step by Step Solution
- Step 1: Write the proportion equation
36,296,490.60 : 54,444,735.90 = 18,156,637.80 : x - Step 2: Convert to fraction form
36,296,490.60/54,444,735.90 = 18,156,637.80/x - Step 3: Cross multiply
36,296,490.60x = 54,444,735.90 × 18,156,637.80 - Step 4: Simplify right side
36,296,490.60x = 988,533,349,852,957 - Step 5: Solve for x
x = 988,533,349,852,957/36,296,490.60 - Step 6: Final answer
x = 27,234,956.70
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1.5x scale
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.