Finding the Fourth Proportional to 28,082,740.65, 42,128,776.58 and 11,043,969.45
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Solution
The fourth proportional to 28,082,740.65, 42,128,776.58 and 11,043,969.45 is: 16,567,788.99
Step by Step Solution
- Step 1: Write the proportion equation
28,082,740.65 : 42,128,776.58 = 11,043,969.45 : x - Step 2: Convert to fraction form
28,082,740.65/42,128,776.58 = 11,043,969.45/x - Step 3: Cross multiply
28,082,740.65x = 42,128,776.58 × 11,043,969.45 - Step 4: Simplify right side
28,082,740.65x = 465,268,921,460,175.62 - Step 5: Solve for x
x = 465,268,921,460,175.62/28,082,740.65 - Step 6: Final answer
x = 16,567,788.99
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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.