Finding the Fourth Proportional to 37,340,639.16, 55,905,332.73 and 19,793,213.21
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Solution
The fourth proportional to 37,340,639.16, 55,905,332.73 and 19,793,213.21 is: 29,633,830.46
Step by Step Solution
- Step 1: Write the proportion equation
37,340,639.16 : 55,905,332.73 = 19,793,213.21 : x - Step 2: Convert to fraction form
37,340,639.16/55,905,332.73 = 19,793,213.21/x - Step 3: Cross multiply
37,340,639.16x = 55,905,332.73 × 19,793,213.21 - Step 4: Simplify right side
37,340,639.16x = 1,106,546,170,021,354.50 - Step 5: Solve for x
x = 1,106,546,170,021,354.50/37,340,639.16 - Step 6: Final answer
x = 29,633,830.46
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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.