Finding the Fourth Proportional to 28,135,584.19, 38,826,272.01 and 15,577,198.36
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Solution
The fourth proportional to 28,135,584.19, 38,826,272.01 and 15,577,198.36 is: 21,496,071.90
Step by Step Solution
- Step 1: Write the proportion equation
28,135,584.19 : 38,826,272.01 = 15,577,198.36 : x - Step 2: Convert to fraction form
28,135,584.19/38,826,272.01 = 15,577,198.36/x - Step 3: Cross multiply
28,135,584.19x = 38,826,272.01 × 15,577,198.36 - Step 4: Simplify right side
28,135,584.19x = 604,804,540,679,085.88 - Step 5: Solve for x
x = 604,804,540,679,085.88/28,135,584.19 - Step 6: Final answer
x = 21,496,071.90
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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.