Finding the Fourth Proportional to 27,583,028.18, 38,064,578.74 and 15,987,317.69
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Solution
The fourth proportional to 27,583,028.18, 38,064,578.74 and 15,987,317.69 is: 22,062,498.33
Step by Step Solution
- Step 1: Write the proportion equation
27,583,028.18 : 38,064,578.74 = 15,987,317.69 : x - Step 2: Convert to fraction form
27,583,028.18/38,064,578.74 = 15,987,317.69/x - Step 3: Cross multiply
27,583,028.18x = 38,064,578.74 × 15,987,317.69 - Step 4: Simplify right side
27,583,028.18x = 608,550,513,107,593 - Step 5: Solve for x
x = 608,550,513,107,593/27,583,028.18 - Step 6: Final answer
x = 22,062,498.33
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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.