Finding the Fourth Proportional to 11,299,445.64, 15,593,051.34 and 6,142,935.96
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Solution
The fourth proportional to 11,299,445.64, 15,593,051.34 and 6,142,935.96 is: 8,477,151.79
Step by Step Solution
- Step 1: Write the proportion equation
11,299,445.64 : 15,593,051.34 = 6,142,935.96 : x - Step 2: Convert to fraction form
11,299,445.64/15,593,051.34 = 6,142,935.96/x - Step 3: Cross multiply
11,299,445.64x = 15,593,051.34 × 6,142,935.96 - Step 4: Simplify right side
11,299,445.64x = 95,787,115,802,612.19 - Step 5: Solve for x
x = 95,787,115,802,612.19/11,299,445.64 - Step 6: Final answer
x = 8,477,151.79
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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.