Finding the Fourth Proportional to 8,570,845.70, 11,827,184.79 and 4,703,615.97
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Solution
The fourth proportional to 8,570,845.70, 11,827,184.79 and 4,703,615.97 is: 6,490,670.49
Step by Step Solution
- Step 1: Write the proportion equation
8,570,845.70 : 11,827,184.79 = 4,703,615.97 : x - Step 2: Convert to fraction form
8,570,845.70/11,827,184.79 = 4,703,615.97/x - Step 3: Cross multiply
8,570,845.70x = 11,827,184.79 × 4,703,615.97 - Step 4: Simplify right side
8,570,845.70x = 55,630,535,265,580.16 - Step 5: Solve for x
x = 55,630,535,265,580.16/8,570,845.70 - Step 6: Final answer
x = 6,490,670.49
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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.