Finding the Fourth Proportional to 56,111,391.60, 84,171,860.40 and 19,716,638.96
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Solution
The fourth proportional to 56,111,391.60, 84,171,860.40 and 19,716,638.96 is: 29,576,635.60
Step by Step Solution
- Step 1: Write the proportion equation
56,111,391.60 : 84,171,860.40 = 19,716,638.96 : x - Step 2: Convert to fraction form
56,111,391.60/84,171,860.40 = 19,716,638.96/x - Step 3: Cross multiply
56,111,391.60x = 84,171,860.40 × 19,716,638.96 - Step 4: Simplify right side
56,111,391.60x = 1,659,586,182,098,321.50 - Step 5: Solve for x
x = 1,659,586,182,098,321.50/56,111,391.60 - Step 6: Final answer
x = 29,576,635.60
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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.