Finding the Fourth Proportional to 35,244,107.84, 48,639,946.47 and 20,564,503.36
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Solution
The fourth proportional to 35,244,107.84, 48,639,946.47 and 20,564,503.36 is: 28,380,810.40
Step by Step Solution
- Step 1: Write the proportion equation
35,244,107.84 : 48,639,946.47 = 20,564,503.36 : x - Step 2: Convert to fraction form
35,244,107.84/48,639,946.47 = 20,564,503.36/x - Step 3: Cross multiply
35,244,107.84x = 48,639,946.47 × 20,564,503.36 - Step 4: Simplify right side
35,244,107.84x = 1,000,256,342,413,818.50 - Step 5: Solve for x
x = 1,000,256,342,413,818.50/35,244,107.84 - Step 6: Final answer
x = 28,380,810.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.