Finding the Fourth Proportional to 39,040,372.01, 53,875,718.37 and 21,637,840.74
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Solution
The fourth proportional to 39,040,372.01, 53,875,718.37 and 21,637,840.74 is: 29,860,222.99
Step by Step Solution
- Step 1: Write the proportion equation
39,040,372.01 : 53,875,718.37 = 21,637,840.74 : x - Step 2: Convert to fraction form
39,040,372.01/53,875,718.37 = 21,637,840.74/x - Step 3: Cross multiply
39,040,372.01x = 53,875,718.37 × 21,637,840.74 - Step 4: Simplify right side
39,040,372.01x = 1,165,754,213,843,152.25 - Step 5: Solve for x
x = 1,165,754,213,843,152.25/39,040,372.01 - Step 6: Final answer
x = 29,860,222.99
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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.