Finding the Fourth Proportional to 53,276,613.12, 73,521,791.10 and 28,830,327.12
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Solution
The fourth proportional to 53,276,613.12, 73,521,791.10 and 28,830,327.12 is: 39,785,886.60
Step by Step Solution
- Step 1: Write the proportion equation
53,276,613.12 : 73,521,791.10 = 28,830,327.12 : x - Step 2: Convert to fraction form
53,276,613.12/73,521,791.10 = 28,830,327.12/x - Step 3: Cross multiply
53,276,613.12x = 73,521,791.10 × 28,830,327.12 - Step 4: Simplify right side
53,276,613.12x = 2,119,657,287,861,304.50 - Step 5: Solve for x
x = 2,119,657,287,861,304.50/53,276,613.12 - Step 6: Final answer
x = 39,785,886.60
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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.