Finding the Fourth Proportional to 14,234,646.12, 19,645,216.74 and 8,123,988.84
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Solution
The fourth proportional to 14,234,646.12, 19,645,216.74 and 8,123,988.84 is: 11,211,906.51
Step by Step Solution
- Step 1: Write the proportion equation
14,234,646.12 : 19,645,216.74 = 8,123,988.84 : x - Step 2: Convert to fraction form
14,234,646.12/19,645,216.74 = 8,123,988.84/x - Step 3: Cross multiply
14,234,646.12x = 19,645,216.74 × 8,123,988.84 - Step 4: Simplify right side
14,234,646.12x = 159,597,521,555,141.16 - Step 5: Solve for x
x = 159,597,521,555,141.16/14,234,646.12 - Step 6: Final answer
x = 11,211,906.51
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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.