Finding the Fourth Proportional to 28,954,774.36, 43,432,125 and 7,389,376.66
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Solution
The fourth proportional to 28,954,774.36, 43,432,125 and 7,389,376.66 is: 11,084,055.66
Step by Step Solution
- Step 1: Write the proportion equation
28,954,774.36 : 43,432,125 = 7,389,376.66 : x - Step 2: Convert to fraction form
28,954,774.36/43,432,125 = 7,389,376.66/x - Step 3: Cross multiply
28,954,774.36x = 43,432,125 × 7,389,376.66 - Step 4: Simplify right side
28,954,774.36x = 320,936,330,769,202.50 - Step 5: Solve for x
x = 320,936,330,769,202.50/28,954,774.36 - Step 6: Final answer
x = 11,084,055.66
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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.