Finding the Fourth Proportional to 19,576,052.20, 29,364,078.30 and 15,544,973.80
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Solution
The fourth proportional to 19,576,052.20, 29,364,078.30 and 15,544,973.80 is: 23,317,460.70
Step by Step Solution
- Step 1: Write the proportion equation
19,576,052.20 : 29,364,078.30 = 15,544,973.80 : x - Step 2: Convert to fraction form
19,576,052.20/29,364,078.30 = 15,544,973.80/x - Step 3: Cross multiply
19,576,052.20x = 29,364,078.30 × 15,544,973.80 - Step 4: Simplify right side
19,576,052.20x = 456,463,827,834,648.56 - Step 5: Solve for x
x = 456,463,827,834,648.56/19,576,052.20 - Step 6: Final answer
x = 23,317,460.70
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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.