Finding the Fourth Proportional to 28,539,134.25, 39,319,365.63 and 27,178,645.29
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Solution
The fourth proportional to 28,539,134.25, 39,319,365.63 and 27,178,645.29 is: 37,444,972.30
Step by Step Solution
- Step 1: Write the proportion equation
28,539,134.25 : 39,319,365.63 = 27,178,645.29 : x - Step 2: Convert to fraction form
28,539,134.25/39,319,365.63 = 27,178,645.29/x - Step 3: Cross multiply
28,539,134.25x = 39,319,365.63 × 27,178,645.29 - Step 4: Simplify right side
28,539,134.25x = 1,068,647,091,485,587.38 - Step 5: Solve for x
x = 1,068,647,091,485,587.38/28,539,134.25 - Step 6: Final answer
x = 37,444,972.30
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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.