Finding the Fourth Proportional to 18,322,971.18, 27,484,433.52 and 4,676,117.83
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Solution
The fourth proportional to 18,322,971.18, 27,484,433.52 and 4,676,117.83 is: 7,014,170.82
Step by Step Solution
- Step 1: Write the proportion equation
18,322,971.18 : 27,484,433.52 = 4,676,117.83 : x - Step 2: Convert to fraction form
18,322,971.18/27,484,433.52 = 4,676,117.83/x - Step 3: Cross multiply
18,322,971.18x = 27,484,433.52 × 4,676,117.83 - Step 4: Simplify right side
18,322,971.18x = 128,520,449,711,828.98 - Step 5: Solve for x
x = 128,520,449,711,828.98/18,322,971.18 - Step 6: Final answer
x = 7,014,170.82
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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.