Finding the Fourth Proportional to 16,251,808.13, 22,427,009.16 and 8,909,390.33
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Solution
The fourth proportional to 16,251,808.13, 22,427,009.16 and 8,909,390.33 is: 12,294,692.19
Step by Step Solution
- Step 1: Write the proportion equation
16,251,808.13 : 22,427,009.16 = 8,909,390.33 : x - Step 2: Convert to fraction form
16,251,808.13/22,427,009.16 = 8,909,390.33/x - Step 3: Cross multiply
16,251,808.13x = 22,427,009.16 × 8,909,390.33 - Step 4: Simplify right side
16,251,808.13x = 199,810,978,540,925.44 - Step 5: Solve for x
x = 199,810,978,540,925.44/16,251,808.13 - Step 6: Final answer
x = 12,294,692.19
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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.