Finding the Fourth Proportional to 20,012,928.99, 27,617,865.63 and 10,845,571.74
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Solution
The fourth proportional to 20,012,928.99, 27,617,865.63 and 10,845,571.74 is: 14,966,901.80
Step by Step Solution
- Step 1: Write the proportion equation
20,012,928.99 : 27,617,865.63 = 10,845,571.74 : x - Step 2: Convert to fraction form
20,012,928.99/27,617,865.63 = 10,845,571.74/x - Step 3: Cross multiply
20,012,928.99x = 27,617,865.63 × 10,845,571.74 - Step 4: Simplify right side
20,012,928.99x = 299,531,542,851,607.38 - Step 5: Solve for x
x = 299,531,542,851,607.38/20,012,928.99 - Step 6: Final answer
x = 14,966,901.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.