Finding the Fourth Proportional to 11,297,829.60, 15,594,571.80 and 7,223,464.80
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Solution
The fourth proportional to 11,297,829.60, 15,594,571.80 and 7,223,464.80 is: 9,970,662.02
Step by Step Solution
- Step 1: Write the proportion equation
11,297,829.60 : 15,594,571.80 = 7,223,464.80 : x - Step 2: Convert to fraction form
11,297,829.60/15,594,571.80 = 7,223,464.80/x - Step 3: Cross multiply
11,297,829.60x = 15,594,571.80 × 7,223,464.80 - Step 4: Simplify right side
11,297,829.60x = 112,646,840,468,372.64 - Step 5: Solve for x
x = 112,646,840,468,372.64/11,297,829.60 - Step 6: Final answer
x = 9,970,662.02
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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.