Finding the Fourth Proportional to 7,485,332.70, 11,227,999.05 and 4,084,110.30
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Solution
The fourth proportional to 7,485,332.70, 11,227,999.05 and 4,084,110.30 is: 6,126,165.45
Step by Step Solution
- Step 1: Write the proportion equation
7,485,332.70 : 11,227,999.05 = 4,084,110.30 : x - Step 2: Convert to fraction form
7,485,332.70/11,227,999.05 = 4,084,110.30/x - Step 3: Cross multiply
7,485,332.70x = 11,227,999.05 × 4,084,110.30 - Step 4: Simplify right side
7,485,332.70x = 45,856,386,568,495.22 - Step 5: Solve for x
x = 45,856,386,568,495.22/7,485,332.70 - Step 6: Final answer
x = 6,126,165.45
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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.