Finding the Fourth Proportional to 19,534,246.80, 29,311,867.80 and 8,175,843.60
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Solution
The fourth proportional to 19,534,246.80, 29,311,867.80 and 8,175,843.60 is: 12,268,159.05
Step by Step Solution
- Step 1: Write the proportion equation
19,534,246.80 : 29,311,867.80 = 8,175,843.60 : x - Step 2: Convert to fraction form
19,534,246.80/29,311,867.80 = 8,175,843.60/x - Step 3: Cross multiply
19,534,246.80x = 29,311,867.80 × 8,175,843.60 - Step 4: Simplify right side
19,534,246.80x = 239,649,246,756,676.06 - Step 5: Solve for x
x = 239,649,246,756,676.06/19,534,246.80 - Step 6: Final answer
x = 12,268,159.05
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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.