Finding the Fourth Proportional to 12,249,528.40, 18,374,292.60 and 3,728,757.70
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Solution
The fourth proportional to 12,249,528.40, 18,374,292.60 and 3,728,757.70 is: 5,593,136.55
Step by Step Solution
- Step 1: Write the proportion equation
12,249,528.40 : 18,374,292.60 = 3,728,757.70 : x - Step 2: Convert to fraction form
12,249,528.40/18,374,292.60 = 3,728,757.70/x - Step 3: Cross multiply
12,249,528.40x = 18,374,292.60 × 3,728,757.70 - Step 4: Simplify right side
12,249,528.40x = 68,513,285,014,303.03 - Step 5: Solve for x
x = 68,513,285,014,303.03/12,249,528.40 - Step 6: Final answer
x = 5,593,136.55
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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.