Finding the Fourth Proportional to 12,203,803.58, 18,197,883.38 and 12,094,267.68
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Solution
The fourth proportional to 12,203,803.58, 18,197,883.38 and 12,094,267.68 is: 18,034,547.29
Step by Step Solution
- Step 1: Write the proportion equation
12,203,803.58 : 18,197,883.38 = 12,094,267.68 : x - Step 2: Convert to fraction form
12,203,803.58/18,197,883.38 = 12,094,267.68/x - Step 3: Cross multiply
12,203,803.58x = 18,197,883.38 × 12,094,267.68 - Step 4: Simplify right side
12,203,803.58x = 220,090,072,746,671.81 - Step 5: Solve for x
x = 220,090,072,746,671.81/12,203,803.58 - Step 6: Final answer
x = 18,034,547.29
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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.