Finding the Fourth Proportional to 7,459,999.22, 11,189,998.84 and 4,935,063.98
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Solution
The fourth proportional to 7,459,999.22, 11,189,998.84 and 4,935,063.98 is: 7,402,595.98
Step by Step Solution
- Step 1: Write the proportion equation
7,459,999.22 : 11,189,998.84 = 4,935,063.98 : x - Step 2: Convert to fraction form
7,459,999.22/11,189,998.84 = 4,935,063.98/x - Step 3: Cross multiply
7,459,999.22x = 11,189,998.84 × 4,935,063.98 - Step 4: Simplify right side
7,459,999.22x = 55,223,360,211,525.79 - Step 5: Solve for x
x = 55,223,360,211,525.79/7,459,999.22 - Step 6: Final answer
x = 7,402,595.98
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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.