Finding the Fourth Proportional to 13,236,288.21, 19,855,576.07 and 3,651,666.75
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Solution
The fourth proportional to 13,236,288.21, 19,855,576.07 and 3,651,666.75 is: 5,477,815.67
Step by Step Solution
- Step 1: Write the proportion equation
13,236,288.21 : 19,855,576.07 = 3,651,666.75 : x - Step 2: Convert to fraction form
13,236,288.21/19,855,576.07 = 3,651,666.75/x - Step 3: Cross multiply
13,236,288.21x = 19,855,576.07 × 3,651,666.75 - Step 4: Simplify right side
13,236,288.21x = 72,505,946,918,656.34 - Step 5: Solve for x
x = 72,505,946,918,656.34/13,236,288.21 - Step 6: Final answer
x = 5,477,815.67
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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.