Finding the Fourth Proportional to 37,438,235.72, 51,665,107.14 and 21,968,578.12
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Solution
The fourth proportional to 37,438,235.72, 51,665,107.14 and 21,968,578.12 is: 30,316,838.40
Step by Step Solution
- Step 1: Write the proportion equation
37,438,235.72 : 51,665,107.14 = 21,968,578.12 : x - Step 2: Convert to fraction form
37,438,235.72/51,665,107.14 = 21,968,578.12/x - Step 3: Cross multiply
37,438,235.72x = 51,665,107.14 × 21,968,578.12 - Step 4: Simplify right side
37,438,235.72x = 1,135,008,942,283,259.75 - Step 5: Solve for x
x = 1,135,008,942,283,259.75/37,438,235.72 - Step 6: Final answer
x = 30,316,838.40
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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.