Finding the Fourth Proportional to 13,267,364.60, 18,308,926.46 and 7,466,146.62
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Solution
The fourth proportional to 13,267,364.60, 18,308,926.46 and 7,466,146.62 is: 10,303,261.69
Step by Step Solution
- Step 1: Write the proportion equation
13,267,364.60 : 18,308,926.46 = 7,466,146.62 : x - Step 2: Convert to fraction form
13,267,364.60/18,308,926.46 = 7,466,146.62/x - Step 3: Cross multiply
13,267,364.60x = 18,308,926.46 × 7,466,146.62 - Step 4: Simplify right side
13,267,364.60x = 136,697,129,405,157.58 - Step 5: Solve for x
x = 136,697,129,405,157.58/13,267,364.60 - Step 6: Final answer
x = 10,303,261.69
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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.