Finding the Fourth Proportional to 46,291,277.56, 69,439,803.42 and 12,212,656.12
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Solution
The fourth proportional to 46,291,277.56, 69,439,803.42 and 12,212,656.12 is: 18,319,745.86
Step by Step Solution
- Step 1: Write the proportion equation
46,291,277.56 : 69,439,803.42 = 12,212,656.12 : x - Step 2: Convert to fraction form
46,291,277.56/69,439,803.42 = 12,212,656.12/x - Step 3: Cross multiply
46,291,277.56x = 69,439,803.42 × 12,212,656.12 - Step 4: Simplify right side
46,291,277.56x = 848,044,440,208,859.88 - Step 5: Solve for x
x = 848,044,440,208,859.88/46,291,277.56 - Step 6: Final answer
x = 18,319,745.86
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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.