Finding the Fourth Proportional to 38,543,436.15, 57,792,058.97 and 12,270,917.67
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Solution
The fourth proportional to 38,543,436.15, 57,792,058.97 and 12,270,917.67 is: 18,399,023.76
Step by Step Solution
- Step 1: Write the proportion equation
38,543,436.15 : 57,792,058.97 = 12,270,917.67 : x - Step 2: Convert to fraction form
38,543,436.15/57,792,058.97 = 12,270,917.67/x - Step 3: Cross multiply
38,543,436.15x = 57,792,058.97 × 12,270,917.67 - Step 4: Simplify right side
38,543,436.15x = 709,161,597,600,655 - Step 5: Solve for x
x = 709,161,597,600,655/38,543,436.15 - Step 6: Final answer
x = 18,399,023.76
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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.