Finding the Fourth Proportional to 18,393,442.96, 25,380,347.88 and 10,445,710
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Solution
The fourth proportional to 18,393,442.96, 25,380,347.88 and 10,445,710 is: 14,413,601.32
Step by Step Solution
- Step 1: Write the proportion equation
18,393,442.96 : 25,380,347.88 = 10,445,710 : x - Step 2: Convert to fraction form
18,393,442.96/25,380,347.88 = 10,445,710/x - Step 3: Cross multiply
18,393,442.96x = 25,380,347.88 × 10,445,710 - Step 4: Simplify right side
18,393,442.96x = 265,115,753,653,594.78 - Step 5: Solve for x
x = 265,115,753,653,594.78/18,393,442.96 - Step 6: Final answer
x = 14,413,601.32
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1.5x scale
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.