Finding the Fourth Proportional to 17,910,099.14, 26,865,440.31 and 5,130,554.18
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Solution
The fourth proportional to 17,910,099.14, 26,865,440.31 and 5,130,554.18 is: 7,695,914.80
Step by Step Solution
- Step 1: Write the proportion equation
17,910,099.14 : 26,865,440.31 = 5,130,554.18 : x - Step 2: Convert to fraction form
17,910,099.14/26,865,440.31 = 5,130,554.18/x - Step 3: Cross multiply
17,910,099.14x = 26,865,440.31 × 5,130,554.18 - Step 4: Simplify right side
17,910,099.14x = 137,834,597,101,609.22 - Step 5: Solve for x
x = 137,834,597,101,609.22/17,910,099.14 - Step 6: Final answer
x = 7,695,914.80
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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.