Finding the Fourth Proportional to 17,421,400.72, 24,041,407.08 and 9,686,383.12
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Solution
The fourth proportional to 17,421,400.72, 24,041,407.08 and 9,686,383.12 is: 13,367,138.70
Step by Step Solution
- Step 1: Write the proportion equation
17,421,400.72 : 24,041,407.08 = 9,686,383.12 : x - Step 2: Convert to fraction form
17,421,400.72/24,041,407.08 = 9,686,383.12/x - Step 3: Cross multiply
17,421,400.72x = 24,041,407.08 × 9,686,383.12 - Step 4: Simplify right side
17,421,400.72x = 232,874,279,720,760.44 - Step 5: Solve for x
x = 232,874,279,720,760.44/17,421,400.72 - Step 6: Final answer
x = 13,367,138.70
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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.