Finding the Fourth Proportional to 13,236,368.95, 19,855,697.01 and 3,651,747.49
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Solution
The fourth proportional to 13,236,368.95, 19,855,697.01 and 3,651,747.49 is: 5,477,936.74
Step by Step Solution
- Step 1: Write the proportion equation
13,236,368.95 : 19,855,697.01 = 3,651,747.49 : x - Step 2: Convert to fraction form
13,236,368.95/19,855,697.01 = 3,651,747.49/x - Step 3: Cross multiply
13,236,368.95x = 19,855,697.01 × 3,651,747.49 - Step 4: Simplify right side
13,236,368.95x = 72,507,991,718,468.02 - Step 5: Solve for x
x = 72,507,991,718,468.02/13,236,368.95 - Step 6: Final answer
x = 5,477,936.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.