Finding the Fourth Proportional to 12,130,206.12, 18,204,088.80 and 4,745,343
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Solution
The fourth proportional to 12,130,206.12, 18,204,088.80 and 4,745,343 is: 7,121,449.09
Step by Step Solution
- Step 1: Write the proportion equation
12,130,206.12 : 18,204,088.80 = 4,745,343 : x - Step 2: Convert to fraction form
12,130,206.12/18,204,088.80 = 4,745,343/x - Step 3: Cross multiply
12,130,206.12x = 18,204,088.80 × 4,745,343 - Step 4: Simplify right side
12,130,206.12x = 86,384,645,358,458.41 - Step 5: Solve for x
x = 86,384,645,358,458.41/12,130,206.12 - Step 6: Final answer
x = 7,121,449.09
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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.