Finding the Fourth Proportional to 19,903,055.52, 27,474,691.24 and 13,380,467.94
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Solution
The fourth proportional to 19,903,055.52, 27,474,691.24 and 13,380,467.94 is: 18,470,743.09
Step by Step Solution
- Step 1: Write the proportion equation
19,903,055.52 : 27,474,691.24 = 13,380,467.94 : x - Step 2: Convert to fraction form
19,903,055.52/27,474,691.24 = 13,380,467.94/x - Step 3: Cross multiply
19,903,055.52x = 27,474,691.24 × 13,380,467.94 - Step 4: Simplify right side
19,903,055.52x = 367,624,225,298,218.81 - Step 5: Solve for x
x = 367,624,225,298,218.81/19,903,055.52 - Step 6: Final answer
x = 18,470,743.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.