Finding the Fourth Proportional to 18,394,159.57, 27,590,322.20 and 6,878,780.24
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Solution
The fourth proportional to 18,394,159.57, 27,590,322.20 and 6,878,780.24 is: 10,317,827.38
Step by Step Solution
- Step 1: Write the proportion equation
18,394,159.57 : 27,590,322.20 = 6,878,780.24 : x - Step 2: Convert to fraction form
18,394,159.57/27,590,322.20 = 6,878,780.24/x - Step 3: Cross multiply
18,394,159.57x = 27,590,322.20 × 6,878,780.24 - Step 4: Simplify right side
18,394,159.57x = 189,787,763,164,593.34 - Step 5: Solve for x
x = 189,787,763,164,593.34/18,394,159.57 - Step 6: Final answer
x = 10,317,827.38
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1.5x scale
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.