Finding the Fourth Proportional to 13,462,329.60, 20,193,609.60 and 4,486,881.60
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Solution
The fourth proportional to 13,462,329.60, 20,193,609.60 and 4,486,881.60 is: 6,730,360.80
Step by Step Solution
- Step 1: Write the proportion equation
13,462,329.60 : 20,193,609.60 = 4,486,881.60 : x - Step 2: Convert to fraction form
13,462,329.60/20,193,609.60 = 4,486,881.60/x - Step 3: Cross multiply
13,462,329.60x = 20,193,609.60 × 4,486,881.60 - Step 4: Simplify right side
13,462,329.60x = 90,606,335,351,823.36 - Step 5: Solve for x
x = 90,606,335,351,823.36/13,462,329.60 - Step 6: Final answer
x = 6,730,360.80
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1.5x scale
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.