Finding the Fourth Proportional to 12,009,163.68, 16,572,408.84 and 6,851,692.80
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Solution
The fourth proportional to 12,009,163.68, 16,572,408.84 and 6,851,692.80 is: 9,455,200.82
Step by Step Solution
- Step 1: Write the proportion equation
12,009,163.68 : 16,572,408.84 = 6,851,692.80 : x - Step 2: Convert to fraction form
12,009,163.68/16,572,408.84 = 6,851,692.80/x - Step 3: Cross multiply
12,009,163.68x = 16,572,408.84 × 6,851,692.80 - Step 4: Simplify right side
12,009,163.68x = 113,549,054,327,684.34 - Step 5: Solve for x
x = 113,549,054,327,684.34/12,009,163.68 - Step 6: Final answer
x = 9,455,200.82
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1.5x scale
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.