Finding the Fourth Proportional to 49,160,965.13, 73,744,990.70 and 18,868,828.13
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Solution
The fourth proportional to 49,160,965.13, 73,744,990.70 and 18,868,828.13 is: 28,304,602.06
Step by Step Solution
- Step 1: Write the proportion equation
49,160,965.13 : 73,744,990.70 = 18,868,828.13 : x - Step 2: Convert to fraction form
49,160,965.13/73,744,990.70 = 18,868,828.13/x - Step 3: Cross multiply
49,160,965.13x = 73,744,990.70 × 18,868,828.13 - Step 4: Simplify right side
49,160,965.13x = 1,391,481,554,966,748.25 - Step 5: Solve for x
x = 1,391,481,554,966,748.25/49,160,965.13 - Step 6: Final answer
x = 28,304,602.06
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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.