Finding the Fourth Proportional to 21,548,541.06, 29,737,618.56 and 11,759,617.35
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Solution
The fourth proportional to 21,548,541.06, 29,737,618.56 and 11,759,617.35 is: 16,228,616.79
Step by Step Solution
- Step 1: Write the proportion equation
21,548,541.06 : 29,737,618.56 = 11,759,617.35 : x - Step 2: Convert to fraction form
21,548,541.06/29,737,618.56 = 11,759,617.35/x - Step 3: Cross multiply
21,548,541.06x = 29,737,618.56 × 11,759,617.35 - Step 4: Simplify right side
21,548,541.06x = 349,703,015,165,858 - Step 5: Solve for x
x = 349,703,015,165,858/21,548,541.06 - Step 6: Final answer
x = 16,228,616.79
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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.