Finding the Fourth Proportional to 7,676,058.12, 11,513,296.79 and 2,557,934.79
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Solution
The fourth proportional to 7,676,058.12, 11,513,296.79 and 2,557,934.79 is: 3,836,638.80
Step by Step Solution
- Step 1: Write the proportion equation
7,676,058.12 : 11,513,296.79 = 2,557,934.79 : x - Step 2: Convert to fraction form
7,676,058.12/11,513,296.79 = 2,557,934.79/x - Step 3: Cross multiply
7,676,058.12x = 11,513,296.79 × 2,557,934.79 - Step 4: Simplify right side
7,676,058.12x = 29,450,262,432,319.25 - Step 5: Solve for x
x = 29,450,262,432,319.25/7,676,058.12 - Step 6: Final answer
x = 3,836,638.80
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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.