Finding the Fourth Proportional to 51,852,575.20, 71,557,304.64 and 28,648,235.84
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Solution
The fourth proportional to 51,852,575.20, 71,557,304.64 and 28,648,235.84 is: 39,534,980.31
Step by Step Solution
- Step 1: Write the proportion equation
51,852,575.20 : 71,557,304.64 = 28,648,235.84 : x - Step 2: Convert to fraction form
51,852,575.20/71,557,304.64 = 28,648,235.84/x - Step 3: Cross multiply
51,852,575.20x = 71,557,304.64 × 28,648,235.84 - Step 4: Simplify right side
51,852,575.20x = 2,049,990,539,401,446.25 - Step 5: Solve for x
x = 2,049,990,539,401,446.25/51,852,575.20 - Step 6: Final answer
x = 39,534,980.31
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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.