Finding the Fourth Proportional to 55,319,857.08, 82,992,120.48 and 16,985,246.28
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Solution
The fourth proportional to 55,319,857.08, 82,992,120.48 and 16,985,246.28 is: 25,481,656.68
Step by Step Solution
- Step 1: Write the proportion equation
55,319,857.08 : 82,992,120.48 = 16,985,246.28 : x - Step 2: Convert to fraction form
55,319,857.08/82,992,120.48 = 16,985,246.28/x - Step 3: Cross multiply
55,319,857.08x = 82,992,120.48 × 16,985,246.28 - Step 4: Simplify right side
55,319,857.08x = 1,409,641,605,652,232 - Step 5: Solve for x
x = 1,409,641,605,652,232/55,319,857.08 - Step 6: Final answer
x = 25,481,656.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.