Finding the Fourth Proportional to 7,451,876.32, 11,177,814.40 and 2,403,186.82
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Solution
The fourth proportional to 7,451,876.32, 11,177,814.40 and 2,403,186.82 is: 3,604,780.20
Step by Step Solution
- Step 1: Write the proportion equation
7,451,876.32 : 11,177,814.40 = 2,403,186.82 : x - Step 2: Convert to fraction form
7,451,876.32/11,177,814.40 = 2,403,186.82/x - Step 3: Cross multiply
7,451,876.32x = 11,177,814.40 × 2,403,186.82 - Step 4: Simplify right side
7,451,876.32x = 26,862,376,242,486.21 - Step 5: Solve for x
x = 26,862,376,242,486.21/7,451,876.32 - Step 6: Final answer
x = 3,604,780.20
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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.