Finding the Fourth Proportional to 17,829,318.09, 24,604,557.20 and 9,680,556.09
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Solution
The fourth proportional to 17,829,318.09, 24,604,557.20 and 9,680,556.09 is: 13,359,220.74
Step by Step Solution
- Step 1: Write the proportion equation
17,829,318.09 : 24,604,557.20 = 9,680,556.09 : x - Step 2: Convert to fraction form
17,829,318.09/24,604,557.20 = 9,680,556.09/x - Step 3: Cross multiply
17,829,318.09x = 24,604,557.20 × 9,680,556.09 - Step 4: Simplify right side
17,829,318.09x = 238,185,795,995,810.56 - Step 5: Solve for x
x = 238,185,795,995,810.56/17,829,318.09 - Step 6: Final answer
x = 13,359,220.74
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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.