Finding the Fourth Proportional to 15,472,129.62, 23,208,169.04 and 4,112,578.38
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Solution
The fourth proportional to 15,472,129.62, 23,208,169.04 and 4,112,578.38 is: 6,168,860.82
Step by Step Solution
- Step 1: Write the proportion equation
15,472,129.62 : 23,208,169.04 = 4,112,578.38 : x - Step 2: Convert to fraction form
15,472,129.62/23,208,169.04 = 4,112,578.38/x - Step 3: Cross multiply
15,472,129.62x = 23,208,169.04 × 4,112,578.38 - Step 4: Simplify right side
15,472,129.62x = 95,445,414,233,289.34 - Step 5: Solve for x
x = 95,445,414,233,289.34/15,472,129.62 - Step 6: Final answer
x = 6,168,860.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.