Finding the Fourth Proportional to 16,106,283.79, 22,219,321.33 and 9,576,197.03
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Solution
The fourth proportional to 16,106,283.79, 22,219,321.33 and 9,576,197.03 is: 13,210,781.69
Step by Step Solution
- Step 1: Write the proportion equation
16,106,283.79 : 22,219,321.33 = 9,576,197.03 : x - Step 2: Convert to fraction form
16,106,283.79/22,219,321.33 = 9,576,197.03/x - Step 3: Cross multiply
16,106,283.79x = 22,219,321.33 × 9,576,197.03 - Step 4: Simplify right side
16,106,283.79x = 212,776,598,928,961.62 - Step 5: Solve for x
x = 212,776,598,928,961.62/16,106,283.79 - Step 6: Final answer
x = 13,210,781.69
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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.