Finding the Fourth Proportional to 19,696,611.36, 29,544,889.50 and 10,948,450.98
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Solution
The fourth proportional to 19,696,611.36, 29,544,889.50 and 10,948,450.98 is: 16,422,661.16
Step by Step Solution
- Step 1: Write the proportion equation
19,696,611.36 : 29,544,889.50 = 10,948,450.98 : x - Step 2: Convert to fraction form
19,696,611.36/29,544,889.50 = 10,948,450.98/x - Step 3: Cross multiply
19,696,611.36x = 29,544,889.50 × 10,948,450.98 - Step 4: Simplify right side
19,696,611.36x = 323,470,774,400,266.75 - Step 5: Solve for x
x = 323,470,774,400,266.75/19,696,611.36 - Step 6: Final answer
x = 16,422,661.16
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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.