Finding the Fourth Proportional to 18,213,770.77, 27,317,663.30 and 6,539,725.76
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Solution
The fourth proportional to 18,213,770.77, 27,317,663.30 and 6,539,725.76 is: 9,808,514.04
Step by Step Solution
- Step 1: Write the proportion equation
18,213,770.77 : 27,317,663.30 = 6,539,725.76 : x - Step 2: Convert to fraction form
18,213,770.77/27,317,663.30 = 6,539,725.76/x - Step 3: Cross multiply
18,213,770.77x = 27,317,663.30 × 6,539,725.76 - Step 4: Simplify right side
18,213,770.77x = 178,650,026,265,777.59 - Step 5: Solve for x
x = 178,650,026,265,777.59/18,213,770.77 - Step 6: Final answer
x = 9,808,514.04
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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.