Finding the Fourth Proportional to 7,994,021.13, 11,990,920.29 and 1,928,701.98
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Solution
The fourth proportional to 7,994,021.13, 11,990,920.29 and 1,928,701.98 is: 2,893,026.09
Step by Step Solution
- Step 1: Write the proportion equation
7,994,021.13 : 11,990,920.29 = 1,928,701.98 : x - Step 2: Convert to fraction form
7,994,021.13/11,990,920.29 = 1,928,701.98/x - Step 3: Cross multiply
7,994,021.13x = 11,990,920.29 × 1,928,701.98 - Step 4: Simplify right side
7,994,021.13x = 23,126,911,705,345.17 - Step 5: Solve for x
x = 23,126,911,705,345.17/7,994,021.13 - Step 6: Final answer
x = 2,893,026.09
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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.