Finding the Fourth Proportional to 18,954,981.32, 28,432,437.42 and 6,175,470.92
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Solution
The fourth proportional to 18,954,981.32, 28,432,437.42 and 6,175,470.92 is: 9,263,195.12
Step by Step Solution
- Step 1: Write the proportion equation
18,954,981.32 : 28,432,437.42 = 6,175,470.92 : x - Step 2: Convert to fraction form
18,954,981.32/28,432,437.42 = 6,175,470.92/x - Step 3: Cross multiply
18,954,981.32x = 28,432,437.42 × 6,175,470.92 - Step 4: Simplify right side
18,954,981.32x = 175,583,690,471,929.84 - Step 5: Solve for x
x = 175,583,690,471,929.84/18,954,981.32 - Step 6: Final answer
x = 9,263,195.12
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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.