Finding the Fourth Proportional to 19,392,841.21, 29,097,830.94 and 10,168,611.07
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Solution
The fourth proportional to 19,392,841.21, 29,097,830.94 and 10,168,611.07 is: 15,257,409.81
Step by Step Solution
- Step 1: Write the proportion equation
19,392,841.21 : 29,097,830.94 = 10,168,611.07 : x - Step 2: Convert to fraction form
19,392,841.21/29,097,830.94 = 10,168,611.07/x - Step 3: Cross multiply
19,392,841.21x = 29,097,830.94 × 10,168,611.07 - Step 4: Simplify right side
19,392,841.21x = 295,884,525,809,472.50 - Step 5: Solve for x
x = 295,884,525,809,472.50/19,392,841.21 - Step 6: Final answer
x = 15,257,409.81
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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.