Finding the Fourth Proportional to 19,986,479.51, 29,990,804.63 and 9,751,423.41
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Solution
The fourth proportional to 19,986,479.51, 29,990,804.63 and 9,751,423.41 is: 14,632,543.68
Step by Step Solution
- Step 1: Write the proportion equation
19,986,479.51 : 29,990,804.63 = 9,751,423.41 : x - Step 2: Convert to fraction form
19,986,479.51/29,990,804.63 = 9,751,423.41/x - Step 3: Cross multiply
19,986,479.51x = 29,990,804.63 × 9,751,423.41 - Step 4: Simplify right side
19,986,479.51x = 292,453,034,304,961.25 - Step 5: Solve for x
x = 292,453,034,304,961.25/19,986,479.51 - Step 6: Final answer
x = 14,632,543.68
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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.