Finding the Fourth Proportional to 13,341,951.53, 18,411,908.86 and 7,230,380.03
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Solution
The fourth proportional to 13,341,951.53, 18,411,908.86 and 7,230,380.03 is: 9,977,932.98
Step by Step Solution
- Step 1: Write the proportion equation
13,341,951.53 : 18,411,908.86 = 7,230,380.03 : x - Step 2: Convert to fraction form
13,341,951.53/18,411,908.86 = 7,230,380.03/x - Step 3: Cross multiply
13,341,951.53x = 18,411,908.86 × 7,230,380.03 - Step 4: Simplify right side
13,341,951.53x = 133,125,098,190,591.80 - Step 5: Solve for x
x = 133,125,098,190,591.80/13,341,951.53 - Step 6: Final answer
x = 9,977,932.98
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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.