Finding the Fourth Proportional to 28,037,300.49, 38,693,415.99 and 15,649,804.44
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Solution
The fourth proportional to 28,037,300.49, 38,693,415.99 and 15,649,804.44 is: 21,597,813.73
Step by Step Solution
- Step 1: Write the proportion equation
28,037,300.49 : 38,693,415.99 = 15,649,804.44 : x - Step 2: Convert to fraction form
28,037,300.49/38,693,415.99 = 15,649,804.44/x - Step 3: Cross multiply
28,037,300.49x = 38,693,415.99 × 15,649,804.44 - Step 4: Simplify right side
28,037,300.49x = 605,544,393,359,069 - Step 5: Solve for x
x = 605,544,393,359,069/28,037,300.49 - Step 6: Final answer
x = 21,597,813.73
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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.