Finding the Fourth Proportional to 35,304,428.70, 52,956,643.05 and 12,577,124.70
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Solution
The fourth proportional to 35,304,428.70, 52,956,643.05 and 12,577,124.70 is: 18,865,687.05
Step by Step Solution
- Step 1: Write the proportion equation
35,304,428.70 : 52,956,643.05 = 12,577,124.70 : x - Step 2: Convert to fraction form
35,304,428.70/52,956,643.05 = 12,577,124.70/x - Step 3: Cross multiply
35,304,428.70x = 52,956,643.05 × 12,577,124.70 - Step 4: Simplify right side
35,304,428.70x = 666,042,303,333,238.25 - Step 5: Solve for x
x = 666,042,303,333,238.25/35,304,428.70 - Step 6: Final answer
x = 18,865,687.05
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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.