Finding the Fourth Proportional to 18,124,432.44, 25,012,266 and 9,865,091.94
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Solution
The fourth proportional to 18,124,432.44, 25,012,266 and 9,865,091.94 is: 13,614,125.82
Step by Step Solution
- Step 1: Write the proportion equation
18,124,432.44 : 25,012,266 = 9,865,091.94 : x - Step 2: Convert to fraction form
18,124,432.44/25,012,266 = 9,865,091.94/x - Step 3: Cross multiply
18,124,432.44x = 25,012,266 × 9,865,091.94 - Step 4: Simplify right side
18,124,432.44x = 246,748,303,717,736.03 - Step 5: Solve for x
x = 246,748,303,717,736.03/18,124,432.44 - Step 6: Final answer
x = 13,614,125.82
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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.