Finding the Fourth Proportional to 33,157,430.80, 49,736,146.20 and 19,687,325.20
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Solution
The fourth proportional to 33,157,430.80, 49,736,146.20 and 19,687,325.20 is: 29,530,987.80
Step by Step Solution
- Step 1: Write the proportion equation
33,157,430.80 : 49,736,146.20 = 19,687,325.20 : x - Step 2: Convert to fraction form
33,157,430.80/49,736,146.20 = 19,687,325.20/x - Step 3: Cross multiply
33,157,430.80x = 49,736,146.20 × 19,687,325.20 - Step 4: Simplify right side
33,157,430.80x = 979,171,684,434,144.25 - Step 5: Solve for x
x = 979,171,684,434,144.25/33,157,430.80 - Step 6: Final answer
x = 29,530,987.80
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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.