Finding the Fourth Proportional to 11,218,792.12, 16,828,187.16 and 2,699,128.60
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Solution
The fourth proportional to 11,218,792.12, 16,828,187.16 and 2,699,128.60 is: 4,048,692.65
Step by Step Solution
- Step 1: Write the proportion equation
11,218,792.12 : 16,828,187.16 = 2,699,128.60 : x - Step 2: Convert to fraction form
11,218,792.12/16,828,187.16 = 2,699,128.60/x - Step 3: Cross multiply
11,218,792.12x = 16,828,187.16 × 2,699,128.60 - Step 4: Simplify right side
11,218,792.12x = 45,421,441,249,708.78 - Step 5: Solve for x
x = 45,421,441,249,708.78/11,218,792.12 - Step 6: Final answer
x = 4,048,692.65
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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.