Finding the Fourth Proportional to 51,416,571.99, 77,130,710.42 and 18,642,575.25
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Solution
The fourth proportional to 51,416,571.99, 77,130,710.42 and 18,642,575.25 is: 27,965,984.85
Step by Step Solution
- Step 1: Write the proportion equation
51,416,571.99 : 77,130,710.42 = 18,642,575.25 : x - Step 2: Convert to fraction form
51,416,571.99/77,130,710.42 = 18,642,575.25/x - Step 3: Cross multiply
51,416,571.99x = 77,130,710.42 × 18,642,575.25 - Step 4: Simplify right side
51,416,571.99x = 1,437,915,073,294,060.75 - Step 5: Solve for x
x = 1,437,915,073,294,060.75/51,416,571.99 - Step 6: Final answer
x = 27,965,984.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.