Finding the Fourth Proportional to 13,598,513.79, 20,399,265.12 and 4,497,296.13
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Solution
The fourth proportional to 13,598,513.79, 20,399,265.12 and 4,497,296.13 is: 6,746,438.43
Step by Step Solution
- Step 1: Write the proportion equation
13,598,513.79 : 20,399,265.12 = 4,497,296.13 : x - Step 2: Convert to fraction form
13,598,513.79/20,399,265.12 = 4,497,296.13/x - Step 3: Cross multiply
13,598,513.79x = 20,399,265.12 × 4,497,296.13 - Step 4: Simplify right side
13,598,513.79x = 91,741,536,079,019.98 - Step 5: Solve for x
x = 91,741,536,079,019.98/13,598,513.79 - Step 6: Final answer
x = 6,746,438.43
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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.