Finding the Fourth Proportional to 42,040,542.18, 58,035,478.41 and 24,634,471.62
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Solution
The fourth proportional to 42,040,542.18, 58,035,478.41 and 24,634,471.62 is: 34,007,014.94
Step by Step Solution
- Step 1: Write the proportion equation
42,040,542.18 : 58,035,478.41 = 24,634,471.62 : x - Step 2: Convert to fraction form
42,040,542.18/58,035,478.41 = 24,634,471.62/x - Step 3: Cross multiply
42,040,542.18x = 58,035,478.41 × 24,634,471.62 - Step 4: Simplify right side
42,040,542.18x = 1,429,673,345,844,267.75 - Step 5: Solve for x
x = 1,429,673,345,844,267.75/42,040,542.18 - Step 6: Final answer
x = 34,007,014.94
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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.