Finding the Fourth Proportional to 47,256,663.79, 65,170,857.02 and 32,393,587.63
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Solution
The fourth proportional to 47,256,663.79, 65,170,857.02 and 32,393,587.63 is: 44,673,442.81
Step by Step Solution
- Step 1: Write the proportion equation
47,256,663.79 : 65,170,857.02 = 32,393,587.63 : x - Step 2: Convert to fraction form
47,256,663.79/65,170,857.02 = 32,393,587.63/x - Step 3: Cross multiply
47,256,663.79x = 65,170,857.02 × 32,393,587.63 - Step 4: Simplify right side
47,256,663.79x = 2,111,117,867,532,900 - Step 5: Solve for x
x = 2,111,117,867,532,900/47,256,663.79 - Step 6: Final answer
x = 44,673,442.81
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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.