Finding the Fourth Proportional to 18,872,766.95, 28,314,661.66 and 7,514,888.63
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Solution
The fourth proportional to 18,872,766.95, 28,314,661.66 and 7,514,888.63 is: 11,274,527.44
Step by Step Solution
- Step 1: Write the proportion equation
18,872,766.95 : 28,314,661.66 = 7,514,888.63 : x - Step 2: Convert to fraction form
18,872,766.95/28,314,661.66 = 7,514,888.63/x - Step 3: Cross multiply
18,872,766.95x = 28,314,661.66 × 7,514,888.63 - Step 4: Simplify right side
18,872,766.95x = 212,781,528,810,670.38 - Step 5: Solve for x
x = 212,781,528,810,670.38/18,872,766.95 - Step 6: Final answer
x = 11,274,527.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.