Finding the Fourth Proportional to 27,946,286.16, 38,565,479.84 and 15,723,114
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Solution
The fourth proportional to 27,946,286.16, 38,565,479.84 and 15,723,114 is: 21,697,675.05
Step by Step Solution
- Step 1: Write the proportion equation
27,946,286.16 : 38,565,479.84 = 15,723,114 : x - Step 2: Convert to fraction form
27,946,286.16/38,565,479.84 = 15,723,114/x - Step 3: Cross multiply
27,946,286.16x = 38,565,479.84 × 15,723,114 - Step 4: Simplify right side
27,946,286.16x = 606,369,435,910,406.25 - Step 5: Solve for x
x = 606,369,435,910,406.25/27,946,286.16 - Step 6: Final answer
x = 21,697,675.05
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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.