Finding the Fourth Proportional to 39,040,307.34, 53,875,629.24 and 21,637,776.08
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Solution
The fourth proportional to 39,040,307.34, 53,875,629.24 and 21,637,776.08 is: 29,860,133.81
Step by Step Solution
- Step 1: Write the proportion equation
39,040,307.34 : 53,875,629.24 = 21,637,776.08 : x - Step 2: Convert to fraction form
39,040,307.34/53,875,629.24 = 21,637,776.08/x - Step 3: Cross multiply
39,040,307.34x = 53,875,629.24 × 21,637,776.08 - Step 4: Simplify right side
39,040,307.34x = 1,165,748,801,286,653.50 - Step 5: Solve for x
x = 1,165,748,801,286,653.50/39,040,307.34 - Step 6: Final answer
x = 29,860,133.81
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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.