Finding the Fourth Proportional to 30,737,852.10, 42,418,277.19 and 17,684,849.21
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Solution
The fourth proportional to 30,737,852.10, 42,418,277.19 and 17,684,849.21 is: 24,405,115.66
Step by Step Solution
- Step 1: Write the proportion equation
30,737,852.10 : 42,418,277.19 = 17,684,849.21 : x - Step 2: Convert to fraction form
30,737,852.10/42,418,277.19 = 17,684,849.21/x - Step 3: Cross multiply
30,737,852.10x = 42,418,277.19 × 17,684,849.21 - Step 4: Simplify right side
30,737,852.10x = 750,160,835,641,041 - Step 5: Solve for x
x = 750,160,835,641,041/30,737,852.10 - Step 6: Final answer
x = 24,405,115.66
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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.