Finding the Fourth Proportional to 39,607,278.08, 54,650,816.78 and 22,855,906.49
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Solution
The fourth proportional to 39,607,278.08, 54,650,816.78 and 22,855,906.49 is: 31,536,980.53
Step by Step Solution
- Step 1: Write the proportion equation
39,607,278.08 : 54,650,816.78 = 22,855,906.49 : x - Step 2: Convert to fraction form
39,607,278.08/54,650,816.78 = 22,855,906.49/x - Step 3: Cross multiply
39,607,278.08x = 54,650,816.78 × 22,855,906.49 - Step 4: Simplify right side
39,607,278.08x = 1,249,093,957,538,269.25 - Step 5: Solve for x
x = 1,249,093,957,538,269.25/39,607,278.08 - Step 6: Final answer
x = 31,536,980.53
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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.