Finding the Fourth Proportional to 14,425,876.29, 19,907,708.81 and 7,899,904.74
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Solution
The fourth proportional to 14,425,876.29, 19,907,708.81 and 7,899,904.74 is: 10,901,868.28
Step by Step Solution
- Step 1: Write the proportion equation
14,425,876.29 : 19,907,708.81 = 7,899,904.74 : x - Step 2: Convert to fraction form
14,425,876.29/19,907,708.81 = 7,899,904.74/x - Step 3: Cross multiply
14,425,876.29x = 19,907,708.81 × 7,899,904.74 - Step 4: Simplify right side
14,425,876.29x = 157,269,003,190,658.75 - Step 5: Solve for x
x = 157,269,003,190,658.75/14,425,876.29 - Step 6: Final answer
x = 10,901,868.28
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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.