Finding the Fourth Proportional to 41,973,430.80, 62,912,386.98 and 25,542,476.13
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Solution
The fourth proportional to 41,973,430.80, 62,912,386.98 and 25,542,476.13 is: 38,284,650.84
Step by Step Solution
- Step 1: Write the proportion equation
41,973,430.80 : 62,912,386.98 = 25,542,476.13 : x - Step 2: Convert to fraction form
41,973,430.80/62,912,386.98 = 25,542,476.13/x - Step 3: Cross multiply
41,973,430.80x = 62,912,386.98 × 25,542,476.13 - Step 4: Simplify right side
41,973,430.80x = 1,606,938,142,717,972.75 - Step 5: Solve for x
x = 1,606,938,142,717,972.75/41,973,430.80 - Step 6: Final answer
x = 38,284,650.84
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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.