Finding the Fourth Proportional to 12,126,282.71, 16,691,795.09 and 10,574,807.14
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Solution
The fourth proportional to 12,126,282.71, 16,691,795.09 and 10,574,807.14 is: 14,556,193.19
Step by Step Solution
- Step 1: Write the proportion equation
12,126,282.71 : 16,691,795.09 = 10,574,807.14 : x - Step 2: Convert to fraction form
12,126,282.71/16,691,795.09 = 10,574,807.14/x - Step 3: Cross multiply
12,126,282.71x = 16,691,795.09 × 10,574,807.14 - Step 4: Simplify right side
12,126,282.71x = 176,512,513,760,815.94 - Step 5: Solve for x
x = 176,512,513,760,815.94/12,126,282.71 - Step 6: Final answer
x = 14,556,193.19
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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.