Finding the Fourth Proportional to 12,449,547.99, 18,682,714.40 and 4,362,596.28
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Solution
The fourth proportional to 12,449,547.99, 18,682,714.40 and 4,362,596.28 is: 6,546,835.31
Step by Step Solution
- Step 1: Write the proportion equation
12,449,547.99 : 18,682,714.40 = 4,362,596.28 : x - Step 2: Convert to fraction form
12,449,547.99/18,682,714.40 = 4,362,596.28/x - Step 3: Cross multiply
12,449,547.99x = 18,682,714.40 × 4,362,596.28 - Step 4: Simplify right side
12,449,547.99x = 81,505,140,319,929.45 - Step 5: Solve for x
x = 81,505,140,319,929.45/12,449,547.99 - Step 6: Final answer
x = 6,546,835.31
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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.