Finding the Fourth Proportional to 13,167,216.51, 18,170,785.35 and 7,366,095.15
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Solution
The fourth proportional to 13,167,216.51, 18,170,785.35 and 7,366,095.15 is: 10,165,226.17
Step by Step Solution
- Step 1: Write the proportion equation
13,167,216.51 : 18,170,785.35 = 7,366,095.15 : x - Step 2: Convert to fraction form
13,167,216.51/18,170,785.35 = 7,366,095.15/x - Step 3: Cross multiply
13,167,216.51x = 18,170,785.35 × 7,366,095.15 - Step 4: Simplify right side
13,167,216.51x = 133,847,733,838,326.06 - Step 5: Solve for x
x = 133,847,733,838,326.06/13,167,216.51 - Step 6: Final answer
x = 10,165,226.17
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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.