Finding the Fourth Proportional to 14,415,462.64, 19,893,072.18 and 7,888,961.08
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Solution
The fourth proportional to 14,415,462.64, 19,893,072.18 and 7,888,961.08 is: 10,886,620.58
Step by Step Solution
- Step 1: Write the proportion equation
14,415,462.64 : 19,893,072.18 = 7,888,961.08 : x - Step 2: Convert to fraction form
14,415,462.64/19,893,072.18 = 7,888,961.08/x - Step 3: Cross multiply
14,415,462.64x = 19,893,072.18 × 7,888,961.08 - Step 4: Simplify right side
14,415,462.64x = 156,935,672,189,650.75 - Step 5: Solve for x
x = 156,935,672,189,650.75/14,415,462.64 - Step 6: Final answer
x = 10,886,620.58
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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.