Finding the Fourth Proportional to 28,947,936.84, 43,415,271.18 and 17,279,602.44
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Solution
The fourth proportional to 28,947,936.84, 43,415,271.18 and 17,279,602.44 is: 25,915,443.64
Step by Step Solution
- Step 1: Write the proportion equation
28,947,936.84 : 43,415,271.18 = 17,279,602.44 : x - Step 2: Convert to fraction form
28,947,936.84/43,415,271.18 = 17,279,602.44/x - Step 3: Cross multiply
28,947,936.84x = 43,415,271.18 × 17,279,602.44 - Step 4: Simplify right side
28,947,936.84x = 750,198,625,815,189.75 - Step 5: Solve for x
x = 750,198,625,815,189.75/28,947,936.84 - Step 6: Final answer
x = 25,915,443.64
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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.