Finding the Fourth Proportional to 13,010,977.44, 17,954,663.68 and 7,504,578.08
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Solution
The fourth proportional to 13,010,977.44, 17,954,663.68 and 7,504,578.08 is: 10,356,037.90
Step by Step Solution
- Step 1: Write the proportion equation
13,010,977.44 : 17,954,663.68 = 7,504,578.08 : x - Step 2: Convert to fraction form
13,010,977.44/17,954,663.68 = 7,504,578.08/x - Step 3: Cross multiply
13,010,977.44x = 17,954,663.68 × 7,504,578.08 - Step 4: Simplify right side
13,010,977.44x = 134,742,175,486,700.14 - Step 5: Solve for x
x = 134,742,175,486,700.14/13,010,977.44 - Step 6: Final answer
x = 10,356,037.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.