Finding the Fourth Proportional to 37,438,101.18, 51,659,830.08 and 21,962,539.26
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Solution
The fourth proportional to 37,438,101.18, 51,659,830.08 and 21,962,539.26 is: 30,305,517.92
Step by Step Solution
- Step 1: Write the proportion equation
37,438,101.18 : 51,659,830.08 = 21,962,539.26 : x - Step 2: Convert to fraction form
37,438,101.18/51,659,830.08 = 21,962,539.26/x - Step 3: Cross multiply
37,438,101.18x = 51,659,830.08 × 21,962,539.26 - Step 4: Simplify right side
37,438,101.18x = 1,134,581,046,296,929 - Step 5: Solve for x
x = 1,134,581,046,296,929/37,438,101.18 - Step 6: Final answer
x = 30,305,517.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.