Finding the Fourth Proportional to 13,374,756.44, 18,462,813.96 and 9,029,728.12
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Solution
The fourth proportional to 13,374,756.44, 18,462,813.96 and 9,029,728.12 is: 12,464,839.35
Step by Step Solution
- Step 1: Write the proportion equation
13,374,756.44 : 18,462,813.96 = 9,029,728.12 : x - Step 2: Convert to fraction form
13,374,756.44/18,462,813.96 = 9,029,728.12/x - Step 3: Cross multiply
13,374,756.44x = 18,462,813.96 × 9,029,728.12 - Step 4: Simplify right side
13,374,756.44x = 166,714,190,388,940.56 - Step 5: Solve for x
x = 166,714,190,388,940.56/13,374,756.44 - Step 6: Final answer
x = 12,464,839.35
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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.