Finding the Fourth Proportional to 39,022,057.62, 58,569,387.39 and 19,867,143.06
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Solution
The fourth proportional to 39,022,057.62, 58,569,387.39 and 19,867,143.06 is: 29,819,196.35
Step by Step Solution
- Step 1: Write the proportion equation
39,022,057.62 : 58,569,387.39 = 19,867,143.06 : x - Step 2: Convert to fraction form
39,022,057.62/58,569,387.39 = 19,867,143.06/x - Step 3: Cross multiply
39,022,057.62x = 58,569,387.39 × 19,867,143.06 - Step 4: Simplify right side
39,022,057.62x = 1,163,606,398,213,690 - Step 5: Solve for x
x = 1,163,606,398,213,690/39,022,057.62 - Step 6: Final answer
x = 29,819,196.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.