Finding the Fourth Proportional to 39,548,699.36, 59,082,507.92 and 25,602,040.55
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Solution
The fourth proportional to 39,548,699.36, 59,082,507.92 and 25,602,040.55 is: 38,247,345.37
Step by Step Solution
- Step 1: Write the proportion equation
39,548,699.36 : 59,082,507.92 = 25,602,040.55 : x - Step 2: Convert to fraction form
39,548,699.36/59,082,507.92 = 25,602,040.55/x - Step 3: Cross multiply
39,548,699.36x = 59,082,507.92 × 25,602,040.55 - Step 4: Simplify right side
39,548,699.36x = 1,512,632,763,429,015 - Step 5: Solve for x
x = 1,512,632,763,429,015/39,548,699.36 - Step 6: Final answer
x = 38,247,345.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.