Finding the Fourth Proportional to 53,621,938.40, 80,453,902.80 and 19,546,728.80
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Solution
The fourth proportional to 53,621,938.40, 80,453,902.80 and 19,546,728.80 is: 29,327,746.55
Step by Step Solution
- Step 1: Write the proportion equation
53,621,938.40 : 80,453,902.80 = 19,546,728.80 : x - Step 2: Convert to fraction form
53,621,938.40/80,453,902.80 = 19,546,728.80/x - Step 3: Cross multiply
53,621,938.40x = 80,453,902.80 × 19,546,728.80 - Step 4: Simplify right side
53,621,938.40x = 1,572,610,618,933,160.75 - Step 5: Solve for x
x = 1,572,610,618,933,160.75/53,621,938.40 - Step 6: Final answer
x = 29,327,746.55
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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.