Finding the Fourth Proportional to 20,942,289.36, 31,413,822.84 and 6,565,035.60
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Solution
The fourth proportional to 20,942,289.36, 31,413,822.84 and 6,565,035.60 is: 9,847,675.28
Step by Step Solution
- Step 1: Write the proportion equation
20,942,289.36 : 31,413,822.84 = 6,565,035.60 : x - Step 2: Convert to fraction form
20,942,289.36/31,413,822.84 = 6,565,035.60/x - Step 3: Cross multiply
20,942,289.36x = 31,413,822.84 × 6,565,035.60 - Step 4: Simplify right side
20,942,289.36x = 206,232,865,276,693.09 - Step 5: Solve for x
x = 206,232,865,276,693.09/20,942,289.36 - Step 6: Final answer
x = 9,847,675.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.