Finding the Fourth Proportional to 21,394,058.12, 29,523,626.84 and 11,604,477.80
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Solution
The fourth proportional to 21,394,058.12, 29,523,626.84 and 11,604,477.80 is: 16,014,085.33
Step by Step Solution
- Step 1: Write the proportion equation
21,394,058.12 : 29,523,626.84 = 11,604,477.80 : x - Step 2: Convert to fraction form
21,394,058.12/29,523,626.84 = 11,604,477.80/x - Step 3: Cross multiply
21,394,058.12x = 29,523,626.84 × 11,604,477.80 - Step 4: Simplify right side
21,394,058.12x = 342,606,272,240,264.19 - Step 5: Solve for x
x = 342,606,272,240,264.19/21,394,058.12 - Step 6: Final answer
x = 16,014,085.33
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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.