Finding the Fourth Proportional to 35,681,251.26, 49,236,177.72 and 19,785,936.42
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Solution
The fourth proportional to 35,681,251.26, 49,236,177.72 and 19,785,936.42 is: 27,302,402.45
Step by Step Solution
- Step 1: Write the proportion equation
35,681,251.26 : 49,236,177.72 = 19,785,936.42 : x - Step 2: Convert to fraction form
35,681,251.26/49,236,177.72 = 19,785,936.42/x - Step 3: Cross multiply
35,681,251.26x = 49,236,177.72 × 19,785,936.42 - Step 4: Simplify right side
35,681,251.26x = 974,183,881,931,740.62 - Step 5: Solve for x
x = 974,183,881,931,740.62/35,681,251.26 - Step 6: Final answer
x = 27,302,402.45
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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.