Finding the Fourth Proportional to 18,105,552.68, 24,986,319.74 and 10,372,089.68
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Solution
The fourth proportional to 18,105,552.68, 24,986,319.74 and 10,372,089.68 is: 14,313,860.15
Step by Step Solution
- Step 1: Write the proportion equation
18,105,552.68 : 24,986,319.74 = 10,372,089.68 : x - Step 2: Convert to fraction form
18,105,552.68/24,986,319.74 = 10,372,089.68/x - Step 3: Cross multiply
18,105,552.68x = 24,986,319.74 × 10,372,089.68 - Step 4: Simplify right side
18,105,552.68x = 259,160,348,939,642.25 - Step 5: Solve for x
x = 259,160,348,939,642.25/18,105,552.68 - Step 6: Final answer
x = 14,313,860.15
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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.