Finding the Fourth Proportional to 31,054,421.80, 46,546,640.70 and 14,888,117.80
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Solution
The fourth proportional to 31,054,421.80, 46,546,640.70 and 14,888,117.80 is: 22,315,400.83
Step by Step Solution
- Step 1: Write the proportion equation
31,054,421.80 : 46,546,640.70 = 14,888,117.80 : x - Step 2: Convert to fraction form
31,054,421.80/46,546,640.70 = 14,888,117.80/x - Step 3: Cross multiply
31,054,421.80x = 46,546,640.70 × 14,888,117.80 - Step 4: Simplify right side
31,054,421.80x = 692,991,869,935,874.50 - Step 5: Solve for x
x = 692,991,869,935,874.50/31,054,421.80 - Step 6: Final answer
x = 22,315,400.83
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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.