Finding the Fourth Proportional to 13,236,365.19, 19,855,691.39 and 3,651,743.73
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Solution
The fourth proportional to 13,236,365.19, 19,855,691.39 and 3,651,743.73 is: 5,477,931.10
Step by Step Solution
- Step 1: Write the proportion equation
13,236,365.19 : 19,855,691.39 = 3,651,743.73 : x - Step 2: Convert to fraction form
13,236,365.19/19,855,691.39 = 3,651,743.73/x - Step 3: Cross multiply
13,236,365.19x = 19,855,691.39 × 3,651,743.73 - Step 4: Simplify right side
13,236,365.19x = 72,507,896,538,247.48 - Step 5: Solve for x
x = 72,507,896,538,247.48/13,236,365.19 - Step 6: Final answer
x = 5,477,931.10
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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.