Finding the Fourth Proportional to 19,134,994.64, 26,409,321.70 and 11,404,520.96
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Solution
The fourth proportional to 19,134,994.64, 26,409,321.70 and 11,404,520.96 is: 15,740,044.28
Step by Step Solution
- Step 1: Write the proportion equation
19,134,994.64 : 26,409,321.70 = 11,404,520.96 : x - Step 2: Convert to fraction form
19,134,994.64/26,409,321.70 = 11,404,520.96/x - Step 3: Cross multiply
19,134,994.64x = 26,409,321.70 × 11,404,520.96 - Step 4: Simplify right side
19,134,994.64x = 301,185,662,867,032.88 - Step 5: Solve for x
x = 301,185,662,867,032.88/19,134,994.64 - Step 6: Final answer
x = 15,740,044.28
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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.