Finding the Fourth Proportional to 38,958,788.24, 53,750,071.92 and 22,438,581.92
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Solution
The fourth proportional to 38,958,788.24, 53,750,071.92 and 22,438,581.92 is: 30,957,723.44
Step by Step Solution
- Step 1: Write the proportion equation
38,958,788.24 : 53,750,071.92 = 22,438,581.92 : x - Step 2: Convert to fraction form
38,958,788.24/53,750,071.92 = 22,438,581.92/x - Step 3: Cross multiply
38,958,788.24x = 53,750,071.92 × 22,438,581.92 - Step 4: Simplify right side
38,958,788.24x = 1,206,075,391,982,811.75 - Step 5: Solve for x
x = 1,206,075,391,982,811.75/38,958,788.24 - Step 6: Final answer
x = 30,957,723.44
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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.