Finding the Fourth Proportional to 15,274,652.80, 22,911,460.80 and 3,915,212.80
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Solution
The fourth proportional to 15,274,652.80, 22,911,460.80 and 3,915,212.80 is: 5,872,686.32
Step by Step Solution
- Step 1: Write the proportion equation
15,274,652.80 : 22,911,460.80 = 3,915,212.80 : x - Step 2: Convert to fraction form
15,274,652.80/22,911,460.80 = 3,915,212.80/x - Step 3: Cross multiply
15,274,652.80x = 22,911,460.80 × 3,915,212.80 - Step 4: Simplify right side
15,274,652.80x = 89,703,244,590,858.23 - Step 5: Solve for x
x = 89,703,244,590,858.23/15,274,652.80 - Step 6: Final answer
x = 5,872,686.32
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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.