Finding the Fourth Proportional to 13,974,929.24, 19,286,283.29 and 8,468,785.56
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Solution
The fourth proportional to 13,974,929.24, 19,286,283.29 and 8,468,785.56 is: 11,687,457.92
Step by Step Solution
- Step 1: Write the proportion equation
13,974,929.24 : 19,286,283.29 = 8,468,785.56 : x - Step 2: Convert to fraction form
13,974,929.24/19,286,283.29 = 8,468,785.56/x - Step 3: Cross multiply
13,974,929.24x = 19,286,283.29 × 8,468,785.56 - Step 4: Simplify right side
13,974,929.24x = 163,331,397,377,738.28 - Step 5: Solve for x
x = 163,331,397,377,738.28/13,974,929.24 - Step 6: Final answer
x = 11,687,457.92
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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.