Finding the Fourth Proportional to 12,176,529.12, 16,803,733.68 and 7,346,700
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Solution
The fourth proportional to 12,176,529.12, 16,803,733.68 and 7,346,700 is: 10,138,520.51
Step by Step Solution
- Step 1: Write the proportion equation
12,176,529.12 : 16,803,733.68 = 7,346,700 : x - Step 2: Convert to fraction form
12,176,529.12/16,803,733.68 = 7,346,700/x - Step 3: Cross multiply
12,176,529.12x = 16,803,733.68 × 7,346,700 - Step 4: Simplify right side
12,176,529.12x = 123,451,990,226,856 - Step 5: Solve for x
x = 123,451,990,226,856/12,176,529.12 - Step 6: Final answer
x = 10,138,520.51
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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.