Finding the Fourth Proportional to 13,492,729.48, 20,234,565.04 and 4,392,688.09
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Solution
The fourth proportional to 13,492,729.48, 20,234,565.04 and 4,392,688.09 is: 6,587,557.62
Step by Step Solution
- Step 1: Write the proportion equation
13,492,729.48 : 20,234,565.04 = 4,392,688.09 : x - Step 2: Convert to fraction form
13,492,729.48/20,234,565.04 = 4,392,688.09/x - Step 3: Cross multiply
13,492,729.48x = 20,234,565.04 × 4,392,688.09 - Step 4: Simplify right side
13,492,729.48x = 88,884,132,857,538.36 - Step 5: Solve for x
x = 88,884,132,857,538.36/13,492,729.48 - Step 6: Final answer
x = 6,587,557.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.