Finding the Fourth Proportional to 10,299,753.36, 15,449,630.08 and 5,492,879.60
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Solution
The fourth proportional to 10,299,753.36, 15,449,630.08 and 5,492,879.60 is: 8,239,319.42
Step by Step Solution
- Step 1: Write the proportion equation
10,299,753.36 : 15,449,630.08 = 5,492,879.60 : x - Step 2: Convert to fraction form
10,299,753.36/15,449,630.08 = 5,492,879.60/x - Step 3: Cross multiply
10,299,753.36x = 15,449,630.08 × 5,492,879.60 - Step 4: Simplify right side
10,299,753.36x = 84,862,957,893,978.36 - Step 5: Solve for x
x = 84,862,957,893,978.36/10,299,753.36 - Step 6: Final answer
x = 8,239,319.42
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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.