Finding the Fourth Proportional to 35,681,232.87, 49,236,152.40 and 19,785,918.02
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Solution
The fourth proportional to 35,681,232.87, 49,236,152.40 and 19,785,918.02 is: 27,302,377.09
Step by Step Solution
- Step 1: Write the proportion equation
35,681,232.87 : 49,236,152.40 = 19,785,918.02 : x - Step 2: Convert to fraction form
35,681,232.87/49,236,152.40 = 19,785,918.02/x - Step 3: Cross multiply
35,681,232.87x = 49,236,152.40 × 19,785,918.02 - Step 4: Simplify right side
35,681,232.87x = 974,182,474,760,445.50 - Step 5: Solve for x
x = 974,182,474,760,445.50/35,681,232.87 - Step 6: Final answer
x = 27,302,377.09
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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.