Finding the Fourth Proportional to 28,651,458.27, 39,542,440.46 and 16,893,388.11
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Solution
The fourth proportional to 28,651,458.27, 39,542,440.46 and 16,893,388.11 is: 23,314,896.82
Step by Step Solution
- Step 1: Write the proportion equation
28,651,458.27 : 39,542,440.46 = 16,893,388.11 : x - Step 2: Convert to fraction form
28,651,458.27/39,542,440.46 = 16,893,388.11/x - Step 3: Cross multiply
28,651,458.27x = 39,542,440.46 × 16,893,388.11 - Step 4: Simplify right side
28,651,458.27x = 668,005,793,387,374.25 - Step 5: Solve for x
x = 668,005,793,387,374.25/28,651,458.27 - Step 6: Final answer
x = 23,314,896.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.