Finding the Fourth Proportional to 54,086,812.63, 81,129,510.29 and 13,146,132.84
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Solution
The fourth proportional to 54,086,812.63, 81,129,510.29 and 13,146,132.84 is: 19,719,027.01
Step by Step Solution
- Step 1: Write the proportion equation
54,086,812.63 : 81,129,510.29 = 13,146,132.84 : x - Step 2: Convert to fraction form
54,086,812.63/81,129,510.29 = 13,146,132.84/x - Step 3: Cross multiply
54,086,812.63x = 81,129,510.29 × 13,146,132.84 - Step 4: Simplify right side
54,086,812.63x = 1,066,539,319,245,116.62 - Step 5: Solve for x
x = 1,066,539,319,245,116.62/54,086,812.63 - Step 6: Final answer
x = 19,719,027.01
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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.