Finding the Fourth Proportional to 32,516,390.90, 48,732,070.80 and 13,324,678.58
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Solution
The fourth proportional to 32,516,390.90, 48,732,070.80 and 13,324,678.58 is: 19,969,595.70
Step by Step Solution
- Step 1: Write the proportion equation
32,516,390.90 : 48,732,070.80 = 13,324,678.58 : x - Step 2: Convert to fraction form
32,516,390.90/48,732,070.80 = 13,324,678.58/x - Step 3: Cross multiply
32,516,390.90x = 48,732,070.80 × 13,324,678.58 - Step 4: Simplify right side
32,516,390.90x = 649,339,179,947,803.38 - Step 5: Solve for x
x = 649,339,179,947,803.38/32,516,390.90 - Step 6: Final answer
x = 19,969,595.70
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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.