Finding the Fourth Proportional to 7,036,202.70, 10,554,304.05 and 6,644,292.30
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Solution
The fourth proportional to 7,036,202.70, 10,554,304.05 and 6,644,292.30 is: 9,966,438.45
Step by Step Solution
- Step 1: Write the proportion equation
7,036,202.70 : 10,554,304.05 = 6,644,292.30 : x - Step 2: Convert to fraction form
7,036,202.70/10,554,304.05 = 6,644,292.30/x - Step 3: Cross multiply
7,036,202.70x = 10,554,304.05 × 6,644,292.30 - Step 4: Simplify right side
7,036,202.70x = 70,125,881,131,273.82 - Step 5: Solve for x
x = 70,125,881,131,273.82/7,036,202.70 - Step 6: Final answer
x = 9,966,438.45
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Similar ratio
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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.