Finding the Fourth Proportional to 11,415,679.92, 15,753,518.28 and 6,259,028.76
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Solution
The fourth proportional to 11,415,679.92, 15,753,518.28 and 6,259,028.76 is: 8,637,393.89
Step by Step Solution
- Step 1: Write the proportion equation
11,415,679.92 : 15,753,518.28 = 6,259,028.76 : x - Step 2: Convert to fraction form
11,415,679.92/15,753,518.28 = 6,259,028.76/x - Step 3: Cross multiply
11,415,679.92x = 15,753,518.28 × 6,259,028.76 - Step 4: Simplify right side
11,415,679.92x = 98,601,723,985,705.72 - Step 5: Solve for x
x = 98,601,723,985,705.72/11,415,679.92 - Step 6: Final answer
x = 8,637,393.89
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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.