Finding the Fourth Proportional to 51,125,568.66, 76,688,364.60 and 12,787,087.14
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Solution
The fourth proportional to 51,125,568.66, 76,688,364.60 and 12,787,087.14 is: 19,180,633.61
Step by Step Solution
- Step 1: Write the proportion equation
51,125,568.66 : 76,688,364.60 = 12,787,087.14 : x - Step 2: Convert to fraction form
51,125,568.66/76,688,364.60 = 12,787,087.14/x - Step 3: Cross multiply
51,125,568.66x = 76,688,364.60 × 12,787,087.14 - Step 4: Simplify right side
51,125,568.66x = 980,620,800,764,291.25 - Step 5: Solve for x
x = 980,620,800,764,291.25/51,125,568.66 - Step 6: Final answer
x = 19,180,633.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.