Finding the Fourth Proportional to 35,135,901.84, 48,487,533.75 and 19,665,982.38
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Solution
The fourth proportional to 35,135,901.84, 48,487,533.75 and 19,665,982.38 is: 27,139,049.65
Step by Step Solution
- Step 1: Write the proportion equation
35,135,901.84 : 48,487,533.75 = 19,665,982.38 : x - Step 2: Convert to fraction form
35,135,901.84/48,487,533.75 = 19,665,982.38/x - Step 3: Cross multiply
35,135,901.84x = 48,487,533.75 × 19,665,982.38 - Step 4: Simplify right side
35,135,901.84x = 953,554,984,377,155.25 - Step 5: Solve for x
x = 953,554,984,377,155.25/35,135,901.84 - Step 6: Final answer
x = 27,139,049.65
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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.