Finding the Fourth Proportional to 13,974,777.28, 19,286,071.68 and 8,468,634.24
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Solution
The fourth proportional to 13,974,777.28, 19,286,071.68 and 8,468,634.24 is: 11,687,247.94
Step by Step Solution
- Step 1: Write the proportion equation
13,974,777.28 : 19,286,071.68 = 8,468,634.24 : x - Step 2: Convert to fraction form
13,974,777.28/19,286,071.68 = 8,468,634.24/x - Step 3: Cross multiply
13,974,777.28x = 19,286,071.68 × 8,468,634.24 - Step 4: Simplify right side
13,974,777.28x = 163,326,686,984,342.31 - Step 5: Solve for x
x = 163,326,686,984,342.31/13,974,777.28 - Step 6: Final answer
x = 11,687,247.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.