Finding the Fourth Proportional to 12,472,779.12, 18,593,874.48 and 12,276,228.48
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Solution
The fourth proportional to 12,472,779.12, 18,593,874.48 and 12,276,228.48 is: 18,300,865.37
Step by Step Solution
- Step 1: Write the proportion equation
12,472,779.12 : 18,593,874.48 = 12,276,228.48 : x - Step 2: Convert to fraction form
12,472,779.12/18,593,874.48 = 12,276,228.48/x - Step 3: Cross multiply
12,472,779.12x = 18,593,874.48 × 12,276,228.48 - Step 4: Simplify right side
12,472,779.12x = 228,262,651,444,921.22 - Step 5: Solve for x
x = 228,262,651,444,921.22/12,472,779.12 - Step 6: Final answer
x = 18,300,865.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.