Finding the Fourth Proportional to 11,886,230.60, 16,403,058.74 and 6,730,596.80
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Solution
The fourth proportional to 11,886,230.60, 16,403,058.74 and 6,730,596.80 is: 9,288,257.85
Step by Step Solution
- Step 1: Write the proportion equation
11,886,230.60 : 16,403,058.74 = 6,730,596.80 : x - Step 2: Convert to fraction form
11,886,230.60/16,403,058.74 = 6,730,596.80/x - Step 3: Cross multiply
11,886,230.60x = 16,403,058.74 × 6,730,596.80 - Step 4: Simplify right side
11,886,230.60x = 110,402,374,632,003.05 - Step 5: Solve for x
x = 110,402,374,632,003.05/11,886,230.60 - Step 6: Final answer
x = 9,288,257.85
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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.