Finding the Fourth Proportional to 8,163,327.40, 12,249,656.70 and 3,118,258.60
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Solution
The fourth proportional to 8,163,327.40, 12,249,656.70 and 3,118,258.60 is: 4,679,170.08
Step by Step Solution
- Step 1: Write the proportion equation
8,163,327.40 : 12,249,656.70 = 3,118,258.60 : x - Step 2: Convert to fraction form
8,163,327.40/12,249,656.70 = 3,118,258.60/x - Step 3: Cross multiply
8,163,327.40x = 12,249,656.70 × 3,118,258.60 - Step 4: Simplify right side
8,163,327.40x = 38,197,597,351,822.62 - Step 5: Solve for x
x = 38,197,597,351,822.62/8,163,327.40 - Step 6: Final answer
x = 4,679,170.08
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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.