Finding the Fourth Proportional to 19,134,872.64, 28,673,954.46 and 15,747,231.48
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Solution
The fourth proportional to 19,134,872.64, 28,673,954.46 and 15,747,231.48 is: 23,597,512.61
Step by Step Solution
- Step 1: Write the proportion equation
19,134,872.64 : 28,673,954.46 = 15,747,231.48 : x - Step 2: Convert to fraction form
19,134,872.64/28,673,954.46 = 15,747,231.48/x - Step 3: Cross multiply
19,134,872.64x = 28,673,954.46 × 15,747,231.48 - Step 4: Simplify right side
19,134,872.64x = 451,535,398,328,598.44 - Step 5: Solve for x
x = 451,535,398,328,598.44/19,134,872.64 - Step 6: Final answer
x = 23,597,512.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.