Finding the Fourth Proportional to 18,105,606.19, 24,985,238.29 and 9,956,844.19
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Solution
The fourth proportional to 18,105,606.19, 24,985,238.29 and 9,956,844.19 is: 13,740,170.98
Step by Step Solution
- Step 1: Write the proportion equation
18,105,606.19 : 24,985,238.29 = 9,956,844.19 : x - Step 2: Convert to fraction form
18,105,606.19/24,985,238.29 = 9,956,844.19/x - Step 3: Cross multiply
18,105,606.19x = 24,985,238.29 × 9,956,844.19 - Step 4: Simplify right side
18,105,606.19x = 248,774,124,703,552 - Step 5: Solve for x
x = 248,774,124,703,552/18,105,606.19 - Step 6: Final answer
x = 13,740,170.98
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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.