Finding the Fourth Proportional to 49,787,871.16, 74,639,209.74 and 19,104,469.78
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Solution
The fourth proportional to 49,787,871.16, 74,639,209.74 and 19,104,469.78 is: 28,640,359.46
Step by Step Solution
- Step 1: Write the proportion equation
49,787,871.16 : 74,639,209.74 = 19,104,469.78 : x - Step 2: Convert to fraction form
49,787,871.16/74,639,209.74 = 19,104,469.78/x - Step 3: Cross multiply
49,787,871.16x = 74,639,209.74 × 19,104,469.78 - Step 4: Simplify right side
49,787,871.16x = 1,425,942,526,880,911.75 - Step 5: Solve for x
x = 1,425,942,526,880,911.75/49,787,871.16 - Step 6: Final answer
x = 28,640,359.46
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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.