Finding the Fourth Proportional to 11,815,258.48, 17,726,038.24 and 4,242,289.84
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Solution
The fourth proportional to 11,815,258.48, 17,726,038.24 and 4,242,289.84 is: 6,364,565.96
Step by Step Solution
- Step 1: Write the proportion equation
11,815,258.48 : 17,726,038.24 = 4,242,289.84 : x - Step 2: Convert to fraction form
11,815,258.48/17,726,038.24 = 4,242,289.84/x - Step 3: Cross multiply
11,815,258.48x = 17,726,038.24 × 4,242,289.84 - Step 4: Simplify right side
11,815,258.48x = 75,198,991,929,003.47 - Step 5: Solve for x
x = 75,198,991,929,003.47/11,815,258.48 - Step 6: Final answer
x = 6,364,565.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.