Finding the Fourth Proportional to 15,391,250.77, 21,234,768.73 and 8,864,749.57
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Solution
The fourth proportional to 15,391,250.77, 21,234,768.73 and 8,864,749.57 is: 12,230,383.99
Step by Step Solution
- Step 1: Write the proportion equation
15,391,250.77 : 21,234,768.73 = 8,864,749.57 : x - Step 2: Convert to fraction form
15,391,250.77/21,234,768.73 = 8,864,749.57/x - Step 3: Cross multiply
15,391,250.77x = 21,234,768.73 × 8,864,749.57 - Step 4: Simplify right side
15,391,250.77x = 188,240,907,032,484.78 - Step 5: Solve for x
x = 188,240,907,032,484.78/15,391,250.77 - Step 6: Final answer
x = 12,230,383.99
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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.