Finding the Fourth Proportional to 7,344,505.40, 11,018,507.70 and 3,554,871.80
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Solution
The fourth proportional to 7,344,505.40, 11,018,507.70 and 3,554,871.80 is: 5,333,154.54
Step by Step Solution
- Step 1: Write the proportion equation
7,344,505.40 : 11,018,507.70 = 3,554,871.80 : x - Step 2: Convert to fraction form
7,344,505.40/11,018,507.70 = 3,554,871.80/x - Step 3: Cross multiply
7,344,505.40x = 11,018,507.70 × 3,554,871.80 - Step 4: Simplify right side
7,344,505.40x = 39,169,382,300,812.85 - Step 5: Solve for x
x = 39,169,382,300,812.85/7,344,505.40 - Step 6: Final answer
x = 5,333,154.54
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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.