Finding the Fourth Proportional to 11,277,896.40, 15,563,457.48 and 6,121,257.60
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Solution
The fourth proportional to 11,277,896.40, 15,563,457.48 and 6,121,257.60 is: 8,447,314.02
Step by Step Solution
- Step 1: Write the proportion equation
11,277,896.40 : 15,563,457.48 = 6,121,257.60 : x - Step 2: Convert to fraction form
11,277,896.40/15,563,457.48 = 6,121,257.60/x - Step 3: Cross multiply
11,277,896.40x = 15,563,457.48 × 6,121,257.60 - Step 4: Simplify right side
11,277,896.40x = 95,267,932,381,726.84 - Step 5: Solve for x
x = 95,267,932,381,726.84/11,277,896.40 - Step 6: Final answer
x = 8,447,314.02
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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.