Finding the Fourth Proportional to 15,645,451.81, 23,474,920.97 and 8,462,042.55
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Solution
The fourth proportional to 15,645,451.81, 23,474,920.97 and 8,462,042.55 is: 12,696,711.00
Step by Step Solution
- Step 1: Write the proportion equation
15,645,451.81 : 23,474,920.97 = 8,462,042.55 : x - Step 2: Convert to fraction form
15,645,451.81/23,474,920.97 = 8,462,042.55/x - Step 3: Cross multiply
15,645,451.81x = 23,474,920.97 × 8,462,042.55 - Step 4: Simplify right side
15,645,451.81x = 198,645,780,106,027.28 - Step 5: Solve for x
x = 198,645,780,106,027.28/15,645,451.81 - Step 6: Final answer
x = 12,696,711.00
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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.