Finding the Fourth Proportional to 43,889,692.67, 65,787,020.42 and 28,547,945.99
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Solution
The fourth proportional to 43,889,692.67, 65,787,020.42 and 28,547,945.99 is: 42,791,010.63
Step by Step Solution
- Step 1: Write the proportion equation
43,889,692.67 : 65,787,020.42 = 28,547,945.99 : x - Step 2: Convert to fraction form
43,889,692.67/65,787,020.42 = 28,547,945.99/x - Step 3: Cross multiply
43,889,692.67x = 65,787,020.42 × 28,547,945.99 - Step 4: Simplify right side
43,889,692.67x = 1,878,084,305,321,512.25 - Step 5: Solve for x
x = 1,878,084,305,321,512.25/43,889,692.67 - Step 6: Final answer
x = 42,791,010.63
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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.