Finding the Fourth Proportional to 7,465,999.70, 11,201,073.15 and 3,208,207.70
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Solution
The fourth proportional to 7,465,999.70, 11,201,073.15 and 3,208,207.70 is: 4,813,202.59
Step by Step Solution
- Step 1: Write the proportion equation
7,465,999.70 : 11,201,073.15 = 3,208,207.70 : x - Step 2: Convert to fraction form
7,465,999.70/11,201,073.15 = 3,208,207.70/x - Step 3: Cross multiply
7,465,999.70x = 11,201,073.15 × 3,208,207.70 - Step 4: Simplify right side
7,465,999.70x = 35,935,369,128,093.26 - Step 5: Solve for x
x = 35,935,369,128,093.26/7,465,999.70 - Step 6: Final answer
x = 4,813,202.59
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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.