Finding the Fourth Proportional to 12,488,118.98, 17,228,552.49 and 8,303,808.42
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Solution
The fourth proportional to 12,488,118.98, 17,228,552.49 and 8,303,808.42 is: 11,455,896.56
Step by Step Solution
- Step 1: Write the proportion equation
12,488,118.98 : 17,228,552.49 = 8,303,808.42 : x - Step 2: Convert to fraction form
12,488,118.98/17,228,552.49 = 8,303,808.42/x - Step 3: Cross multiply
12,488,118.98x = 17,228,552.49 × 8,303,808.42 - Step 4: Simplify right side
12,488,118.98x = 143,062,599,230,873.94 - Step 5: Solve for x
x = 143,062,599,230,873.94/12,488,118.98 - Step 6: Final answer
x = 11,455,896.56
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1.5x scale
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.