Finding the Fourth Proportional to 19,160,660.65, 28,741,399.35 and 6,865,427.11
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Solution
The fourth proportional to 19,160,660.65, 28,741,399.35 and 6,865,427.11 is: 10,298,286.99
Step by Step Solution
- Step 1: Write the proportion equation
19,160,660.65 : 28,741,399.35 = 6,865,427.11 : x - Step 2: Convert to fraction form
19,160,660.65/28,741,399.35 = 6,865,427.11/x - Step 3: Cross multiply
19,160,660.65x = 28,741,399.35 × 6,865,427.11 - Step 4: Simplify right side
19,160,660.65x = 197,321,982,276,826.41 - Step 5: Solve for x
x = 197,321,982,276,826.41/19,160,660.65 - Step 6: Final answer
x = 10,298,286.99
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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.