Finding the Fourth Proportional to 12,766,216.16, 17,617,358.21 and 6,964,998.41
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Solution
The fourth proportional to 12,766,216.16, 17,617,358.21 and 6,964,998.41 is: 9,611,686.84
Step by Step Solution
- Step 1: Write the proportion equation
12,766,216.16 : 17,617,358.21 = 6,964,998.41 : x - Step 2: Convert to fraction form
12,766,216.16/17,617,358.21 = 6,964,998.41/x - Step 3: Cross multiply
12,766,216.16x = 17,617,358.21 × 6,964,998.41 - Step 4: Simplify right side
12,766,216.16x = 122,704,871,930,268.83 - Step 5: Solve for x
x = 122,704,871,930,268.83/12,766,216.16 - Step 6: Final answer
x = 9,611,686.84
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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.