Finding the Fourth Proportional to 35,681,438.38, 49,237,906.98 and 19,787,343.05
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Solution
The fourth proportional to 35,681,438.38, 49,237,906.98 and 19,787,343.05 is: 27,305,159.23
Step by Step Solution
- Step 1: Write the proportion equation
35,681,438.38 : 49,237,906.98 = 19,787,343.05 : x - Step 2: Convert to fraction form
35,681,438.38/49,237,906.98 = 19,787,343.05/x - Step 3: Cross multiply
35,681,438.38x = 49,237,906.98 × 19,787,343.05 - Step 4: Simplify right side
35,681,438.38x = 974,287,356,477,249.50 - Step 5: Solve for x
x = 974,287,356,477,249.50/35,681,438.38 - Step 6: Final answer
x = 27,305,159.23
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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.