Finding the Fourth Proportional to 10,984,964.70, 16,477,447.05 and 10,537,067.10
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Solution
The fourth proportional to 10,984,964.70, 16,477,447.05 and 10,537,067.10 is: 15,805,600.65
Step by Step Solution
- Step 1: Write the proportion equation
10,984,964.70 : 16,477,447.05 = 10,537,067.10 : x - Step 2: Convert to fraction form
10,984,964.70/16,477,447.05 = 10,537,067.10/x - Step 3: Cross multiply
10,984,964.70x = 16,477,447.05 × 10,537,067.10 - Step 4: Simplify right side
10,984,964.70x = 173,623,965,202,547.06 - Step 5: Solve for x
x = 173,623,965,202,547.06/10,984,964.70 - Step 6: Final answer
x = 15,805,600.65
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Double scale
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1.5x scale
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.