Finding the Fourth Proportional to 28,539,131.76, 39,319,362.17 and 27,178,642.80
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Solution
The fourth proportional to 28,539,131.76, 39,319,362.17 and 27,178,642.80 is: 37,444,968.84
Step by Step Solution
- Step 1: Write the proportion equation
28,539,131.76 : 39,319,362.17 = 27,178,642.80 : x - Step 2: Convert to fraction form
28,539,131.76/39,319,362.17 = 27,178,642.80/x - Step 3: Cross multiply
28,539,131.76x = 39,319,362.17 × 27,178,642.80 - Step 4: Simplify right side
28,539,131.76x = 1,068,646,899,406,369.62 - Step 5: Solve for x
x = 1,068,646,899,406,369.62/28,539,131.76 - Step 6: Final answer
x = 37,444,968.84
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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.