Finding the Fourth Proportional to 10,121,027.48, 13,967,219.56 and 5,537,447.28
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Solution
The fourth proportional to 10,121,027.48, 13,967,219.56 and 5,537,447.28 is: 7,641,787.57
Step by Step Solution
- Step 1: Write the proportion equation
10,121,027.48 : 13,967,219.56 = 5,537,447.28 : x - Step 2: Convert to fraction form
10,121,027.48/13,967,219.56 = 5,537,447.28/x - Step 3: Cross multiply
10,121,027.48x = 13,967,219.56 × 5,537,447.28 - Step 4: Simplify right side
10,121,027.48x = 77,342,741,961,684.80 - Step 5: Solve for x
x = 77,342,741,961,684.80/10,121,027.48 - Step 6: Final answer
x = 7,641,787.57
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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.