Finding the Fourth Proportional to 7,489,904.80, 11,219,110.80 and 6,230,192.80
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Solution
The fourth proportional to 7,489,904.80, 11,219,110.80 and 6,230,192.80 is: 9,332,191.16
Step by Step Solution
- Step 1: Write the proportion equation
7,489,904.80 : 11,219,110.80 = 6,230,192.80 : x - Step 2: Convert to fraction form
7,489,904.80/11,219,110.80 = 6,230,192.80/x - Step 3: Cross multiply
7,489,904.80x = 11,219,110.80 × 6,230,192.80 - Step 4: Simplify right side
7,489,904.80x = 69,897,223,328,562.24 - Step 5: Solve for x
x = 69,897,223,328,562.24/7,489,904.80 - Step 6: Final answer
x = 9,332,191.16
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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.