Finding the Fourth Proportional to 19,983,558.68, 27,577,979.48 and 12,247,106.12
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Solution
The fourth proportional to 19,983,558.68, 27,577,979.48 and 12,247,106.12 is: 16,901,416.14
Step by Step Solution
- Step 1: Write the proportion equation
19,983,558.68 : 27,577,979.48 = 12,247,106.12 : x - Step 2: Convert to fraction form
19,983,558.68/27,577,979.48 = 12,247,106.12/x - Step 3: Cross multiply
19,983,558.68x = 27,577,979.48 × 12,247,106.12 - Step 4: Simplify right side
19,983,558.68x = 337,750,441,266,742.38 - Step 5: Solve for x
x = 337,750,441,266,742.38/19,983,558.68 - Step 6: Final answer
x = 16,901,416.14
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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.