Finding the Fourth Proportional to 7,873,517.23, 11,810,275.98 and 1,889,885.23
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Solution
The fourth proportional to 7,873,517.23, 11,810,275.98 and 1,889,885.23 is: 2,834,827.88
Step by Step Solution
- Step 1: Write the proportion equation
7,873,517.23 : 11,810,275.98 = 1,889,885.23 : x - Step 2: Convert to fraction form
7,873,517.23/11,810,275.98 = 1,889,885.23/x - Step 3: Cross multiply
7,873,517.23x = 11,810,275.98 × 1,889,885.23 - Step 4: Simplify right side
7,873,517.23x = 22,320,066,141,550.49 - Step 5: Solve for x
x = 22,320,066,141,550.49/7,873,517.23 - Step 6: Final answer
x = 2,834,827.88
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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.