Finding the Fourth Proportional to 13,272,176.64, 19,887,984.57 and 8,938,201.58
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Solution
The fourth proportional to 13,272,176.64, 19,887,984.57 and 8,938,201.58 is: 13,393,644.46
Step by Step Solution
- Step 1: Write the proportion equation
13,272,176.64 : 19,887,984.57 = 8,938,201.58 : x - Step 2: Convert to fraction form
13,272,176.64/19,887,984.57 = 8,938,201.58/x - Step 3: Cross multiply
13,272,176.64x = 19,887,984.57 × 8,938,201.58 - Step 4: Simplify right side
13,272,176.64x = 177,762,815,106,589.62 - Step 5: Solve for x
x = 177,762,815,106,589.62/13,272,176.64 - Step 6: Final answer
x = 13,393,644.46
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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.